A00: b2b4 @ Polish (Sokolsky) opening; @ 1. b4
A00: b2b4g8h6 @ Polish; Tuebingen variation @ 1. b4 Nh6
A00: b2b4c7c6 @ Polish; Outflank variation @ 1. b4 c6
A00: g2g3 @ Benko's Opening; Outflank variation @ 1. g3
A00: g2g3h7h5 @ Lasker simul special; Outflank variation @ 1. g3 h5
A00: g2g3e7e5g1f3 @ Benko's Opening; reversed Alekhine @ 1. g3 e5 2. Nf3
A00: g2g4 @ Grob's attack; reversed Alekhine @ 1. g4
A00: g2g4d7d5f1g2c7c6g4g5 @ Grob; Spike attack @ 1. g4 d5 2. Bg2 c6 3. g5
A00: g2g4d7d5f1g2c8g4c2c4 @ Grob; Fritz gambit @ 1. g4 d5 2. Bg2 Bxg4 3. c4
A00: g2g4d7d5f1g2c8g4c2c4d5d4 @ Grob; Romford counter-gambit @ 1. g4 d5 2. Bg2 Bxg4 3. c4 d4
A00: h2h3 @ Clemenz (Mead's, Basman's or de Klerk's) Opening; Romford counter-gambit @ 1. h3
A00: h2h3e7e5a2a3 @ Global Opening; Romford counter-gambit @ 1. h3 e5 2. a3
A00: g1h3 @ Amar (Paris) Opening; Romford counter-gambit @ 1. Nh3
A00: g1h3d7d5g2g3e7e5f2f4c8h3f1h3e5f4 @ Amar gambit; Romford counter-gambit @ 1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4
A00: b1c3 @ Dunst (Sleipner, Heinrichsen) Opening; Romford counter-gambit @ 1. Nc3
A00: b1c3e7e5 @ Dunst (Sleipner,Heinrichsen) Opening; Romford counter-gambit @ 1. Nc3 e5
A00: b1c3e7e5a2a3 @ Battambang Opening; Romford counter-gambit @ 1. Nc3 e5 2. a3
A00: b1c3c7c5d2d4c5d4d1d4b8c6d4h4 @ Novosibirsk Opening; Romford counter-gambit @ 1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4
A00: a2a3 @ Anderssen's Opening; Romford counter-gambit @ 1. a3
A00: a2a4 @ Ware (Meadow Hay) Opening; Romford counter-gambit @ 1. a4
A00: a2a4e7e5h2h4 @ Crab Opening; Romford counter-gambit @ 1. a4 e5 2. h4
A00: c2c3 @ Saragossa Opening; Romford counter-gambit @ 1. c3
A00: d2d3 @ Mieses Opening; Romford counter-gambit @ 1. d3
A00: d2d3e7e5 @ Mieses Opening; Romford counter-gambit @ 1. d3 e5
A00: d2d3e7e5b1d2 @ Valencia Opening; Romford counter-gambit @ 1. d3 e5 2. Nd2
A00: d2d3c7c5b1c3b8c6g2g3 @ Venezolana Opening; Romford counter-gambit @ 1. d3 c5 2. Nc3 Nc6 3. g3
A00: e2e3 @ Van't Kruijs Opening; Romford counter-gambit @ 1. e3
A00: e2e3e7e5c2c4d7d6b1c3b8c6b2b3g8f6 @ Amsterdam attack; Romford counter-gambit @ 1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6
A00: f2f3 @ Gedult's Opening; Romford counter-gambit @ 1. f3
A00: f2f3e7e5e1f2 @ Hammerschlag (Fried fox/Pork chop Opening); Romford counter-gambit @ 1. f3 e5 2. Kf2
A00: h2h4 @ Anti-Borg (Desprez) Opening; Romford counter-gambit @ 1. h4
A00: b1a3 @ Durkin's attack; Romford counter-gambit @ 1. Na3
A01: b2b3 @ Nimzovich-Larsen attack; Romford counter-gambit @ 1. b3
A01: b2b3e7e5 @ Nimzovich-Larsen attack; Modern variation @ 1. b3 e5
A01: b2b3g8f6 @ Nimzovich-Larsen attack; Indian variation @ 1. b3 Nf6
A01: b2b3d7d5 @ Nimzovich-Larsen attack; Classical variation @ 1. b3 d5
A01: b2b3c7c5 @ Nimzovich-Larsen attack; English variation @ 1. b3 c5
A01: b2b3f7f5 @ Nimzovich-Larsen attack; Dutch variation @ 1. b3 f5
A01: b2b3b7b5 @ Nimzovich-Larsen attack; Polish variation @ 1. b3 b5
A01: b2b3b7b6 @ Nimzovich-Larsen attack; Symmetrical variation @ 1. b3 b6
A02: f2f4 @ Bird's Opening; Symmetrical variation @ 1. f4
A02: f2f4e7e5 @ Bird; From gambit @ 1. f4 e5
A02: f2f4e7e5f4e5d7d6e5d6f8d6g1f3g7g5 @ Bird; From gambit, Lasker variation @ 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5
A02: f2f4e7e5f4e5d7d6e5d6f8d6g1f3g8h6d2d4 @ Bird; From gambit, Lipke variation @ 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4
A02: f2f4f7f5e2e4f5e4b1c3g8f6g2g4 @ Bird's Opening, Swiss gambit; From gambit, Lipke variation @ 1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4
A02: f2f4g7g5 @ Bird; Hobbs gambit @ 1. f4 g5
A03: f2f4d7d5 @ Bird's Opening; Hobbs gambit @ 1. f4 d5
A03: f2f4d7d5c2c4 @ Mujannah Opening; Hobbs gambit @ 1. f4 d5 2. c4
A03: f2f4d7d5e2e4 @ Bird's Opening; Williams gambit @ 1. f4 d5 2. e4
A03: f2f4d7d5g1f3g8f6e2e3c7c5 @ Bird's Opening; Lasker variation @ 1. f4 d5 2. Nf3 Nf6 3. e3 c5
A04: g1f3 @ Reti Opening; Lasker variation @ 1. Nf3
A04: g1f3f7f5 @ Reti v Dutch; Lasker variation @ 1. Nf3 f5
A04: g1f3f7f5e2e4 @ Reti; Pirc-Lisitsin gambit @ 1. Nf3 f5 2. e4
A04: g1f3f7f5d2d3g8f6e2e4 @ Reti; Lisitsin gambit deferred @ 1. Nf3 f5 2. d3 Nf6 3. e4
A04: g1f3d7d6 @ Reti Opening; Lisitsin gambit deferred @ 1. Nf3 d6
A04: g1f3d7d6e2e4c8g4 @ Reti; Wade defence @ 1. Nf3 d6 2. e4 Bg4
A04: g1f3g7g5 @ Reti; Herrstroem gambit @ 1. Nf3 g5
A05: g1f3g8f6 @ Reti Opening; Herrstroem gambit @ 1. Nf3 Nf6
A05: g1f3g8f6g2g3b7b5 @ Reti; King's Indian attack, Spassky's variation @ 1. Nf3 Nf6 2. g3 b5
A05: g1f3g8f6g2g3g7g6 @ Reti; King's Indian attack @ 1. Nf3 Nf6 2. g3 g6
A05: g1f3g8f6g2g3g7g6b2b4 @ Reti; King's Indian attack, Reti-Smyslov variation @ 1. Nf3 Nf6 2. g3 g6 3. b4
A06: g1f3d7d5 @ Reti Opening; King's Indian attack, Reti-Smyslov variation @ 1. Nf3 d5
A06: g1f3d7d5d2d3 @ Reti; Old Indian attack @ 1. Nf3 d5 2. d3
A06: g1f3d7d5b2b4 @ Santasiere's folly; Old Indian attack @ 1. Nf3 d5 2. b4
A06: g1f3d7d5e2e4 @ Tennison (Lemberg, Zukertort) gambit; Old Indian attack @ 1. Nf3 d5 2. e4
A06: g1f3d7d5b2b3 @ Reti; Nimzovich-Larsen attack @ 1. Nf3 d5 2. b3
A07: g1f3d7d5g2g3 @ Reti; King's Indian attack (Barcza system) @ 1. Nf3 d5 2. g3
A07: g1f3d7d5g2g3g8f6f1g2c7c6e1g1c8g4 @ Reti; King's Indian attack, Yugoslav variation @ 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4
A07: g1f3d7d5g2g3c8g4f1g2b8d7 @ Reti; King's Indian attack, Keres variation @ 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7
A07: g1f3d7d5g2g3g7g6 @ Reti; King's Indian attack @ 1. Nf3 d5 2. g3 g6
A07: g1f3d7d5g2g3g7g6f1g2f8g7e1g1e7e5d2d3g8e7 @ Reti; King's Indian attack, Pachman system @ 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7
A07: g1f3d7d5g2g3c7c5 @ Reti; King's Indian attack (with ...c5) @ 1. Nf3 d5 2. g3 c5
A08: g1f3d7d5g2g3c7c5f1g2 @ Reti; King's Indian attack @ 1. Nf3 d5 2. g3 c5 3. Bg2
A08: g1f3d7d5g2g3c7c5f1g2b8c6e1g1e7e6d2d3g8f6b1d2f8e7e2e4e8g8f1e1 @ Reti; King's Indian attack, French variation @ 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e6 5. d3 Nf6 6. Nbd2 Be7 7. e4 O-O 8. Re1
A09: g1f3d7d5c2c4 @ Reti Opening; King's Indian attack, French variation @ 1. Nf3 d5 2. c4
A09: g1f3d7d5c2c4d5d4 @ Reti; Advance variation @ 1. Nf3 d5 2. c4 d4
A09: g1f3d7d5c2c4d5c4 @ Reti accepted; Advance variation @ 1. Nf3 d5 2. c4 dxc4
A09: g1f3d7d5c2c4d5c4e2e3c8e6 @ Reti accepted; Keres variation @ 1. Nf3 d5 2. c4 dxc4 3. e3 Be6
A10: c2c4 @ English Opening; Keres variation @ 1. c4
A10: c2c4g7g6 @ English Opening; Keres variation @ 1. c4 g6
A10: c2c4g7g6e2e4e7e5 @ English; Adorjan defence @ 1. c4 g6 2. e4 e5
A10: c2c4b7b5 @ English; Jaenisch gambit @ 1. c4 b5
A10: c2c4f7f5 @ English; Anglo-Dutch defense @ 1. c4 f5
A11: c2c4c7c6 @ English; Caro-Kann defensive system @ 1. c4 c6
A12: c2c4c7c6g1f3d7d5b2b3 @ English; Caro-Kann defensive system @ 1. c4 c6 2. Nf3 d5 3. b3
A12: c2c4c7c6g1f3d7d5b2b3g8f6g2g3c8g4 @ English; Torre defensive system @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bg4
A12: c2c4c7c6g1f3d7d5b2b3g8f6g2g3c8f5 @ English; London defensive system @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bf5
A12: c2c4c7c6g1f3d7d5b2b3g8f6c1b2 @ English; Caro-Kann defensive system @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2
A12: c2c4c7c6g1f3d7d5b2b3g8f6c1b2g7g6 @ English; Bled variation @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6
A12: c2c4c7c6g1f3d7d5b2b3g8f6c1b2c8f5 @ English; New York (London) defensive system @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5
A12: c2c4c7c6g1f3d7d5b2b3g8f6c1b2c8g4 @ English; Capablanca's variation @ 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bg4
A12: c2c4c7c6g1f3d7d5b2b3c8g4 @ English; Caro-Kann defensive system, Bogolyubov variation @ 1. c4 c6 2. Nf3 d5 3. b3 Bg4
A13: c2c4e7e6 @ English Opening; Caro-Kann defensive system, Bogolyubov variation @ 1. c4 e6
A13: c2c4e7e6g1f3g8f6g2g3a7a6f1g2b7b5 @ English; Romanishin gambit @ 1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5
A13: c2c4e7e6g1f3d7d5 @ English Opening; Agincourt variation @ 1. c4 e6 2. Nf3 d5
A13: c2c4e7e6g1f3d7d5b2b3g8f6c1b2c7c5e2e3 @ English; Wimpey system @ 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3
A13: c2c4e7e6g1f3d7d5g2g3 @ English Opening; Agincourt variation @ 1. c4 e6 2. Nf3 d5 3. g3
A13: c2c4e7e6g1f3d7d5g2g3c7c6 @ English; Kurajica defence @ 1. c4 e6 2. Nf3 d5 3. g3 c6
A13: c2c4e7e6g1f3d7d5g2g3g8f6 @ English; Neo-Catalan @ 1. c4 e6 2. Nf3 d5 3. g3 Nf6
A13: c2c4e7e6g1f3d7d5g2g3g8f6f1g2d5c4 @ English; Neo-Catalan accepted @ 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4
A14: c2c4e7e6g1f3d7d5g2g3g8f6f1g2f8e7e1g1 @ English; Neo-Catalan declined @ 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O
A14: c2c4e7e6g1f3d7d5g2g3g8f6f1g2f8e7e1g1c7c5c4d5f6d5b1c3b8c6 @ English; Symmetrical, Keres defence @ 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6
A15: c2c4g8f6 @ English, 1...Nf6 (Anglo-Indian defense); Symmetrical, Keres defence @ 1. c4 Nf6
A15: c2c4g8f6b2b4 @ English orang-utan; Symmetrical, Keres defence @ 1. c4 Nf6 2. b4
A15: c2c4g8f6g1f3 @ English Opening; Symmetrical, Keres defence @ 1. c4 Nf6 2. Nf3
A16: c2c4g8f6b1c3 @ English Opening; Symmetrical, Keres defence @ 1. c4 Nf6 2. Nc3
A16: c2c4g8f6b1c3d7d5 @ English; Anglo-Gruenfeld defense @ 1. c4 Nf6 2. Nc3 d5
A16: c2c4g8f6b1c3d7d5c4d5f6d5g2g3g7g6f1g2d5c3 @ English; Anglo-Gruenfeld, Smyslov defense @ 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3
A16: c2c4g8f6b1c3d7d5c4d5f6d5g2g3g7g6f1g2d5b6 @ English; Anglo-Gruenfeld, Czech defense @ 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6
A16: c2c4g8f6b1c3d7d5c4d5f6d5g1f3 @ English; Anglo-Gruenfeld defense @ 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3
A16: c2c4g8f6b1c3d7d5c4d5f6d5g1f3g7g6g2g3f8g7f1g2e7e5 @ English; Anglo-Gruenfeld defense, Korchnoi variation @ 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5
A17: c2c4g8f6b1c3e7e6 @ English Opening; Anglo-Gruenfeld defense, Korchnoi variation @ 1. c4 Nf6 2. Nc3 e6
A17: c2c4g8f6b1c3e7e6g1f3b7b6 @ English; Queens Indian formation @ 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6
A17: c2c4g8f6b1c3e7e6g1f3b7b6e2e4c8b7f1d3 @ English; Queens Indian, Romanishin variation @ 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3
A17: c2c4g8f6b1c3e7e6g1f3f8b4 @ English; Nimzo-English Opening @ 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4
A18: c2c4g8f6b1c3e7e6e2e4 @ English; Mikenas-Carls variation @ 1. c4 Nf6 2. Nc3 e6 3. e4
A18: c2c4g8f6b1c3e7e6e2e4d7d5e4e5 @ English; Mikenas-Carls, Flohr variation @ 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5
A18: c2c4g8f6b1c3e7e6e2e4b8c6 @ English; Mikenas-Carls, Kevitz variation @ 1. c4 Nf6 2. Nc3 e6 3. e4 Nc6
A19: c2c4g8f6b1c3e7e6e2e4c7c5 @ English; Mikenas-Carls, Sicilian variation @ 1. c4 Nf6 2. Nc3 e6 3. e4 c5
A20: c2c4e7e5 @ English Opening; Mikenas-Carls, Sicilian variation @ 1. c4 e5
A20: c2c4e7e5g1f3 @ English, Nimzovich variation; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nf3
A20: c2c4e7e5g1f3e5e4 @ English, Nimzovich, Flohr variation; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nf3 e4
A21: c2c4e7e5b1c3 @ English Opening; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3
A21: c2c4e7e5b1c3d7d6g2g3c8e6f1g2b8c6 @ English, Troeger defence; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 d6 3. g3 Be6 4. Bg2 Nc6
A21: c2c4e7e5b1c3d7d6g2g3c7c6 @ English, Keres variation; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 d6 3. g3 c6
A21: c2c4e7e5b1c3d7d6g1f3 @ English Opening; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 d6 3. Nf3
A21: c2c4e7e5b1c3d7d6g1f3c8g4 @ English, Smyslov defence; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 d6 3. Nf3 Bg4
A21: c2c4e7e5b1c3f8b4 @ English, Kramnik-Shirov counterattack; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 Bb4
A22: c2c4e7e5b1c3g8f6 @ English Opening; Mikenas-Carls, Sicilian variation @ 1. c4 e5 2. Nc3 Nf6
A22: c2c4e7e5b1c3g8f6g1f3e5e4f3g5b7b5 @ English; Bellon gambit @ 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5
A22: c2c4e7e5b1c3g8f6g2g3 @ English; Carls' Bremen system @ 1. c4 e5 2. Nc3 Nf6 3. g3
A22: c2c4e7e5b1c3g8f6g2g3d7d5 @ English; Bremen, reverse Dragon @ 1. c4 e5 2. Nc3 Nf6 3. g3 d5
A22: c2c4e7e5b1c3g8f6g2g3f8b4 @ English; Bremen, Smyslov system @ 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4
A23: c2c4e7e5b1c3g8f6g2g3c7c6 @ English; Bremen system, Keres variation @ 1. c4 e5 2. Nc3 Nf6 3. g3 c6
A24: c2c4e7e5b1c3g8f6g2g3g7g6 @ English; Bremen system with ...g6 @ 1. c4 e5 2. Nc3 Nf6 3. g3 g6
A25: c2c4e7e5b1c3b8c6 @ English; Sicilian Reversed @ 1. c4 e5 2. Nc3 Nc6
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7 @ English; Closed system @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7e2e3d7d6g1e2g8h6 @ English; Closed, Taimanov variation @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh6
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7e2e3d7d6g1e2c8e6 @ English; Closed, Hort variation @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7a1b1 @ English; Closed, 5.Rb1 @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7a1b1g8h6 @ English; Closed, 5.Rb1 Taimanov variation @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nh6
A25: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7d2d3 @ English; Closed system (without ...d6) @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3
A26: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6 @ English; Closed system @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
A26: c2c4e7e5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6e2e4 @ English; Botvinnik system @ 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4
A27: c2c4e7e5b1c3b8c6g1f3 @ English; Three knights system @ 1. c4 e5 2. Nc3 Nc6 3. Nf3
A28: c2c4e7e5b1c3b8c6g1f3g8f6 @ English; Four knights system @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6
A28: c2c4e7e5b1c3b8c6g1f3g8f6d2d4e5d4f3d4f8b4c1g5h7h6g5h4b4c3b2c3c6e5 @ English; Nenarokov variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5
A28: c2c4e7e5b1c3b8c6g1f3g8f6d2d4e5e4 @ English; Bradley Beach variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4
A28: c2c4e7e5b1c3b8c6g1f3g8f6e2e4 @ English; Four knights, Nimzovich variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4
A28: c2c4e7e5b1c3b8c6g1f3g8f6a2a3 @ English; Four knights, Marini variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. a3
A28: c2c4e7e5b1c3b8c6g1f3g8f6d2d3 @ English; Four knights, Capablanca variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3
A28: c2c4e7e5b1c3b8c6g1f3g8f6e2e3 @ English; Four knights, 4.e3 @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3
A28: c2c4e7e5b1c3b8c6g1f3g8f6e2e3f8b4d1c2e8g8c3d5f8e8c2f5 @ English; Four knights, Stean variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5
A28: c2c4e7e5b1c3b8c6g1f3g8f6e2e3f8b4d1c2b4c3 @ English; Four knights, Romanishin variation @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3
A29: c2c4e7e5b1c3b8c6g1f3g8f6g2g3 @ English; Four knights, kingside Fianchetto @ 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3
A30: c2c4c7c5 @ English; Symmetrical variation @ 1. c4 c5
A30: c2c4c7c5g1f3g8f6g2g3b7b6f1g2c8b7e1g1e7e6b1c3f8e7 @ English; Symmetrical, hedgehog system @ 1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7
A30: c2c4c7c5g1f3g8f6g2g3b7b6f1g2c8b7e1g1e7e6b1c3f8e7d2d4c5d4d1d4d7d6f1d1a7a6b2b3b8d7 @ English; Symmetrical, hedgehog, flexible formation @ 1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7
A31: c2c4c7c5g1f3g8f6d2d4 @ English; Symmetrical, Benoni formation @ 1. c4 c5 2. Nf3 Nf6 3. d4
A32: c2c4c7c5g1f3g8f6d2d4c5d4f3d4e7e6 @ English; Symmetrical variation @ 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6
A33: c2c4c7c5g1f3g8f6d2d4c5d4f3d4e7e6b1c3b8c6 @ English; Symmetrical variation @ 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6
A33: c2c4c7c5g1f3g8f6d2d4c5d4f3d4e7e6b1c3b8c6g2g3d8b6 @ English; Symmetrical, Geller variation @ 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 6. g3 Qb6
A34: c2c4c7c5b1c3 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3
A34: c2c4c7c5b1c3g8f6g1f3d7d5c4d5f6d5 @ English; Symmetrical, Three knights system @ 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5
A34: c2c4c7c5b1c3g8f6g2g3 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3 Nf6 3. g3
A34: c2c4c7c5b1c3g8f6g2g3d7d5c4d5f6d5f1g2d5c7 @ English; Symmetrical, Rubinstein system @ 1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7
A35: c2c4c7c5b1c3b8c6 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3 Nc6
A35: c2c4c7c5b1c3b8c6g1f3g8f6 @ English; Symmetrical, Four knights system @ 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6
A36: c2c4c7c5b1c3b8c6g2g3 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3 Nc6 3. g3
A36: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7 @ English; ultra-Symmetrical variation @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
A36: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7e2e3e7e5 @ English; Symmetrical, Botvinnik system Reversed @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5
A36: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7e2e4 @ English; Symmetrical, Botvinnik system @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4
A37: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
A37: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3e7e5 @ English; Symmetrical, Botvinnik system Reversed @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5
A38: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3g8f6 @ English; Symmetrical variation @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6
A38: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3g8f6e1g1e8g8d2d3 @ English; Symmetrical, Main line with d3 @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d3
A38: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3g8f6e1g1e8g8b2b3 @ English; Symmetrical, Main line with b3 @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3
A39: c2c4c7c5b1c3b8c6g2g3g7g6f1g2f8g7g1f3g8f6e1g1e8g8d2d4 @ English; Symmetrical, Main line with d4 @ 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4
A40: d2d4 @ Queen's pawn; Symmetrical, Main line with d4 @ 1. d4
A40: d2d4b8c6 @ Queen's pawn; Lundin (Kevitz-Mikenas) defence @ 1. d4 Nc6
A40: d2d4e7e5 @ Queen's pawn; Charlick (Englund) gambit @ 1. d4 e5
A40: d2d4e7e5d4e5b8c6g1f3d8e7d1d5f7f6e5f6g8f6 @ Queen's pawn; Englund gambit @ 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 f6 5. exf6 Nxf6
A40: d2d4b7b6 @ Queen's pawn; English defence @ 1. d4 b6
A40: d2d4b7b5 @ Polish defence; English defence @ 1. d4 b5
A40: d2d4e7e6 @ Queen's pawn; English defence @ 1. d4 e6
A40: d2d4e7e6c2c4b7b6 @ Queen's pawn; Keres defence @ 1. d4 e6 2. c4 b6
A40: d2d4e7e6c2c4f8b4 @ Queen's pawn; Franco-Indian (Keres) defence @ 1. d4 e6 2. c4 Bb4+
A40: d2d4g7g6 @ Modern defence; Franco-Indian (Keres) defence @ 1. d4 g6
A40: d2d4g7g6c2c4f8g7b1c3c7c5d4d5g7c3b2c3f7f5 @ Beefeater defence; Franco-Indian (Keres) defence @ 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5
A41: d2d4d7d6 @ Queen's Pawn; Franco-Indian (Keres) defence @ 1. d4 d6
A41: d2d4d7d6g1f3c8g4 @ Old Indian; Tartakower (Wade) variation @ 1. d4 d6 2. Nf3 Bg4
A41: d2d4d7d6c2c4 @ Old Indian defence; Tartakower (Wade) variation @ 1. d4 d6 2. c4
A41: d2d4d7d6c2c4g7g6b1c3f8g7 @ Modern defence; Tartakower (Wade) variation @ 1. d4 d6 2. c4 g6 3. Nc3 Bg7
A41: e2e4g7g6d2d4f8g7g1f3d7d6c2c4c8g4 @ Robatsch defence; Rossolimo variation @ 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 Bg4
A42: d2d4d7d6c2c4g7g6b1c3f8g7e2e4 @ Modern defence; Averbakh system @ 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4
A42: d2d4d7d6c2c4g7g6b1c3f8g7e2e4c7c5g1f3d8a5 @ Pterodactyl defence; Averbakh system @ 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 Qa5
A42: d2d4d7d6c2c4g7g6b1c3f8g7e2e4f7f5 @ Modern defence; Averbakh system, Randspringer variation @ 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 f5
A42: d2d4d7d6c2c4g7g6b1c3f8g7e2e4b8c6 @ Modern defence; Averbakh system, Kotov variation @ 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nc6
A43: d2d4c7c5 @ Old Benoni defence; Averbakh system, Kotov variation @ 1. d4 c5
A43: d2d4c7c5d4d5e7e6e2e4 @ Old Benoni; Franco-Benoni defence @ 1. d4 c5 2. d5 e6 3. e4
A43: d2d4c7c5d4d5f7f5 @ Old Benoni; Mujannah formation @ 1. d4 c5 2. d5 f5
A43: d2d4c7c5d4d5g8f6 @ Old Benoni defence; Mujannah formation @ 1. d4 c5 2. d5 Nf6
A43: d2d4c7c5d4d5g8f6b1c3d8a5 @ Woozle defence; Mujannah formation @ 1. d4 c5 2. d5 Nf6 3. Nc3 Qa5
A43: d2d4c7c5d4d5g8f6g1f3 @ Old Benoni defence; Mujannah formation @ 1. d4 c5 2. d5 Nf6 3. Nf3
A43: d2d4c7c5d4d5g8f6g1f3c5c4 @ Hawk (Habichd) defence; Mujannah formation @ 1. d4 c5 2. d5 Nf6 3. Nf3 c4
A43: d2d4c7c5d4d5d7d6 @ Old Benoni defence; Mujannah formation @ 1. d4 c5 2. d5 d6
A43: d2d4c7c5d4d5d7d6b1c3g7g6 @ Old Benoni; Schmid's system @ 1. d4 c5 2. d5 d6 3. Nc3 g6
A44: d2d4c7c5d4d5e7e5 @ Old Benoni defence; Schmid's system @ 1. d4 c5 2. d5 e5
A44: d2d4c7c5d4d5e7e5e2e4d7d6 @ Semi-Benoni (`blockade variation'); Schmid's system @ 1. d4 c5 2. d5 e5 3. e4 d6
A45: d2d4g8f6 @ Queen's pawn game; Schmid's system @ 1. d4 Nf6
A45: d2d4g8f6g2g4 @ Queen's pawn; Bronstein gambit @ 1. d4 Nf6 2. g4
A45: d2d4g8f6f2f4 @ Canard Opening; Bronstein gambit @ 1. d4 Nf6 2. f4
A45: d2d4g8f6f2f3 @ Paleface attack; Bronstein gambit @ 1. d4 Nf6 2. f3
A45: d2d4g8f6f2f3d7d5e2e4 @ Blackmar-Diemer gambit; Bronstein gambit @ 1. d4 Nf6 2. f3 d5 3. e4
A45: d2d4g8f6f2f3d7d5g2g4 @ Gedult attack; Bronstein gambit @ 1. d4 Nf6 2. f3 d5 3. g4
A45: d2d4g8f6c1g5 @ Trompovsky attack (Ruth, Opovcensky Opening); Bronstein gambit @ 1. d4 Nf6 2. Bg5
A46: d2d4g8f6g1f3 @ Queen's pawn game; Bronstein gambit @ 1. d4 Nf6 2. Nf3
A46: d2d4g8f6g1f3e7e6c1g5 @ Queen's pawn; Torre attack @ 1. d4 Nf6 2. Nf3 e6 3. Bg5
A46: d2d4g8f6g1f3e7e6c1g5c7c5e2e4 @ Queen's pawn; Torre attack, Wagner gambit @ 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e4
A46: d2d4g8f6g1f3e7e6e2e3 @ Queen's pawn; Yusupov-Rubinstein system @ 1. d4 Nf6 2. Nf3 e6 3. e3
A46: d2d4g8f6g1f3f6e4 @ Doery defence; Yusupov-Rubinstein system @ 1. d4 Nf6 2. Nf3 Ne4
A47: d2d4g8f6g1f3b7b6 @ Queen's Indian defence; Yusupov-Rubinstein system @ 1. d4 Nf6 2. Nf3 b6
A47: d2d4g8f6g1f3b7b6g2g3c8b7f1g2c7c5 @ Queen's Indian; Marienbad system @ 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5
A47: d2d4g8f6g1f3b7b6g2g3c8b7f1g2c7c5c2c4c5d4d1d4 @ Queen's Indian; Marienbad system, Berg variation @ 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4
A48: d2d4g8f6g1f3g7g6 @ King's Indian; East Indian defence @ 1. d4 Nf6 2. Nf3 g6
A48: d2d4g8f6g1f3g7g6c1g5 @ King's Indian; Torre attack @ 1. d4 Nf6 2. Nf3 g6 3. Bg5
A48: d2d4g8f6g1f3g7g6c1f4 @ King's Indian; London system @ 1. d4 Nf6 2. Nf3 g6 3. Bf4
A49: d2d4g8f6g1f3g7g6g2g3 @ King's Indian; Fianchetto without c4 @ 1. d4 Nf6 2. Nf3 g6 3. g3
A50: d2d4g8f6c2c4 @ Queen's pawn game; Fianchetto without c4 @ 1. d4 Nf6 2. c4
A50: d2d4g8f6c2c4b8c6 @ Kevitz-Trajkovich defence; Fianchetto without c4 @ 1. d4 Nf6 2. c4 Nc6
A50: d2d4g8f6c2c4b7b6 @ Queen's Indian Accelerated; Fianchetto without c4 @ 1. d4 Nf6 2. c4 b6
A51: d2d4g8f6c2c4e7e5 @ Budapest defence declined; Fianchetto without c4 @ 1. d4 Nf6 2. c4 e5
A51: d2d4g8f6c2c4e7e5d4e5f6e4 @ Budapest; Fajarowicz variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4
A51: d2d4g8f6c2c4e7e5d4e5f6e4d1c2 @ Budapest; Fajarowicz, Steiner variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Qc2
A52: d2d4g8f6c2c4e7e5d4e5f6g4 @ Budapest defence; Fajarowicz, Steiner variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4
A52: d2d4g8f6c2c4e7e5d4e5f6g4g1f3 @ Budapest; Adler variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3
A52: d2d4g8f6c2c4e7e5d4e5f6g4c1f4 @ Budapest; Rubinstein variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4
A52: d2d4g8f6c2c4e7e5d4e5f6g4e2e4 @ Budapest; Alekhine variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4
A52: d2d4g8f6c2c4e7e5d4e5f6g4e2e4g4e5f2f4e5c6 @ Budapest; Alekhine, Abonyi variation @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6
A52: d2d4g8f6c2c4e7e5d4e5f6g4e2e4d7d6 @ Budapest; Alekhine variation, Balogh gambit @ 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6
A53: d2d4g8f6c2c4d7d6 @ Old Indian defence; Alekhine variation, Balogh gambit @ 1. d4 Nf6 2. c4 d6
A53: d2d4g8f6c2c4d7d6b1c3c8f5 @ Old Indian; Janowski variation @ 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5
A54: d2d4g8f6c2c4d7d6b1c3e7e5 @ Old Indian; Ukrainian variation @ 1. d4 Nf6 2. c4 d6 3. Nc3 e5
A54: d2d4g8f6c2c4d7d6b1c3e7e5e2e3b8d7f1d3 @ Old Indian; Dus-Khotimirsky variation @ 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3
A54: d2d4g8f6c2c4d7d6b1c3e7e5g1f3 @ Old Indian; Ukrainian variation, 4.Nf3 @ 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3
A55: d2d4g8f6c2c4d7d6b1c3e7e5g1f3b8d7e2e4 @ Old Indian; Main line @ 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4
A56: d2d4g8f6c2c4c7c5 @ Benoni defence; Main line @ 1. d4 Nf6 2. c4 c5
A56: d2d4g8f6c2c4c7c5d4d5d7d6 @ Benoni defence, Hromodka system; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 d6
A56: d2d4g8f6c2c4c7c5d4d5f6e4 @ Vulture defence; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 Ne4
A56: d2d4g8f6c2c4c7c5d4d5e7e5 @ Czech Benoni defence; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 e5
A56: d2d4g8f6c2c4c7c5d4d5e7e5b1c3d7d6e2e4g7g6 @ Czech Benoni; King's Indian system @ 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6
A57: d2d4g8f6c2c4c7c5d4d5b7b5 @ Benko gambit; King's Indian system @ 1. d4 Nf6 2. c4 c5 3. d5 b5
A57: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6 @ Benko gambit half accepted; King's Indian system @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6
A57: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b1c3 @ Benko gambit; Zaitsev system @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3
A57: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b1c3a6b5e2e4b5b4c3b5d7d6f1c4 @ Benko gambit; Nescafe Frappe attack @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4
A58: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6 @ Benko gambit accepted; Nescafe Frappe attack @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
A58: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6g1f3g7g6f3d2 @ Benko gambit; Nd2 variation @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2
A58: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6g1f3g7g6g2g3 @ Benko gambit; Fianchetto variation @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3
A59: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6e2e4 @ Benko gambit; 7.e4 @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4
A59: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6e2e4a6f1e1f1g7g6g1e2 @ Benko gambit; Ne2 variation @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nge2
A59: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6e2e4a6f1e1f1g7g6g2g3 @ Benko gambit; Ne2 variation @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3
A59: d2d4g8f6c2c4c7c5d4d5b7b5c4b5a7a6b5a6c8a6b1c3d7d6e2e4a6f1e1f1g7g6g2g3f8g7f1g2e8g8g1f3 @ Benko gambit; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Kg2 O-O 11. Nf3
A60: d2d4g8f6c2c4c7c5d4d5e7e6 @ Benoni defence; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 e6
A61: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6 @ Benoni defence; Main line @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6
A61: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6c1g5 @ Benoni; Uhlmann variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bg5
A61: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6f3d2 @ Benoni; Nimzovich (knight's tour) variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2
A61: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6g2g3 @ Benoni; Fianchetto variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3
A62: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6g2g3f8g7f1g2e8g8 @ Benoni; Fianchetto variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O
A63: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6g2g3f8g7f1g2e8g8e1g1b8d7 @ Benoni; Fianchetto, 9...Nbd7 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7
A64: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6g1f3g7g6g2g3f8g7f1g2e8g8e1g1b8d7f3d2a7a6a2a4f8e8 @ Benoni; Fianchetto, 11...Re8 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4 Re8
A65: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4 @ Benoni; 6.e4 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4
A66: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6f2f4 @ Benoni; pawn storm variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4
A66: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6f2f4f8g7e4e5 @ Benoni; Mikenas variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5
A67: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6f2f4f8g7f1b5 @ Benoni; Taimanov variation @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+
A68: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6f2f4f8g7g1f3e8g8 @ Benoni; Four pawns attack @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O
A69: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6f2f4f8g7g1f3e8g8f1e2f8e8 @ Benoni; Four pawns attack, Main line @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8
A70: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3 @ Benoni; Classical with e4 and Nf3 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3
A70: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2 @ Benoni; Classical without 9.O-O @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2
A71: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7c1g5 @ Benoni; Classical, 8.Bg5 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5
A72: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8 @ Benoni; Classical without 9.O-O @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O
A73: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1 @ Benoni; Classical, 9.O-O @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O
A74: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1a7a6a2a4 @ Benoni; Classical, 9...a6, 10.a4 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4
A75: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1a7a6a2a4c8g4 @ Benoni; Classical with ...a6 and 10...Bg4 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4
A76: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1f8e8 @ Benoni; Classical, 9...Re8 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8
A77: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1f8e8f3d2 @ Benoni; Classical, 9...Re8, 10.Nd2 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2
A78: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1f8e8f3d2b8a6 @ Benoni; Classical with ...Re8 and ...Na6 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
A79: d2d4g8f6c2c4c7c5d4d5e7e6b1c3e6d5c4d5d7d6e2e4g7g6g1f3f8g7f1e2e8g8e1g1f8e8f3d2b8a6f2f3 @ Benoni; Classical, 11.f3 @ 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3
A80: d2d4f7f5 @ Dutch; Classical, 11.f3 @ 1. d4 f5
A80: d2d4f7f5b1c3g8f6g2g4 @ Dutch, Spielmann gambit; Classical, 11.f3 @ 1. d4 f5 2. Nc3 Nf6 3. g4
A80: d2d4f7f5d1d3 @ Dutch, Manhattan (Alapin, Ulvestad) variation; Classical, 11.f3 @ 1. d4 f5 2. Qd3
A80: d2d4f7f5d1d3e7e6g2g4 @ Dutch, Von Pretzel gambit; Classical, 11.f3 @ 1. d4 f5 2. Qd3 e6 3. g4
A80: d2d4f7f5h2h3 @ Dutch, Korchnoi attack; Classical, 11.f3 @ 1. d4 f5 2. h3
A80: d2d4f7f5g2g4 @ Dutch, Krejcik gambit; Classical, 11.f3 @ 1. d4 f5 2. g4
A80: d2d4f7f5c1g5 @ Dutch, 2.Bg5 variation; Classical, 11.f3 @ 1. d4 f5 2. Bg5
A81: d2d4f7f5g2g3 @ Dutch defence; Classical, 11.f3 @ 1. d4 f5 2. g3
A81: d2d4f7f5g2g3g8f6f1g2e7e6g1h3 @ Dutch defence, Blackburne variation; Classical, 11.f3 @ 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3
A81: d2d4f7f5g2g3g8f6f1g2g7g6 @ Dutch defence; Classical, 11.f3 @ 1. d4 f5 2. g3 Nf6 3. Bg2 g6
A81: d2d4f7f5g2g3g7g6f1g2f8g7g1f3c7c6e1g1g8h6 @ Dutch; Leningrad, Basman system @ 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O Nh6
A81: d2d4f7f5g2g3g7g6f1g2f8g7g1h3 @ Dutch; Leningrad, Karlsbad variation @ 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3
A82: d2d4f7f5e2e4 @ Dutch; Staunton gambit @ 1. d4 f5 2. e4
A82: d2d4f7f5e2e4d7d6 @ Dutch; Balogh defence @ 1. d4 f5 2. e4 d6
A82: d2d4f7f5e2e4f5e4 @ Dutch; Staunton gambit @ 1. d4 f5 2. e4 fxe4
A82: d2d4f7f5e2e4f5e4b1c3g8f6g2g4 @ Dutch; Staunton gambit, Tartakower variation @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4
A83: d2d4f7f5e2e4f5e4b1c3g8f6c1g5 @ Dutch; Staunton gambit, Staunton's line @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5
A83: d2d4f7f5e2e4f5e4b1c3g8f6c1g5g7g6h2h4 @ Dutch; Staunton gambit, Alekhine variation @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4
A83: d2d4f7f5e2e4f5e4b1c3g8f6c1g5g7g6f2f3 @ Dutch; Staunton gambit, Lasker variation @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3
A83: d2d4f7f5e2e4f5e4b1c3g8f6c1g5c7c6 @ Dutch; Staunton gambit, Chigorin variation @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6
A83: d2d4f7f5e2e4f5e4b1c3g8f6c1g5b7b6 @ Dutch; Staunton gambit, Nimzovich variation @ 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b6
A84: d2d4f7f5c2c4 @ Dutch defence; Staunton gambit, Nimzovich variation @ 1. d4 f5 2. c4
A84: d2d4f7f5c2c4g7g6b1c3g8h6 @ Dutch defence; Bladel variation @ 1. d4 f5 2. c4 g6 3. Nc3 Nh6
A84: d2d4f7f5c2c4e7e6 @ Dutch defence; Bladel variation @ 1. d4 f5 2. c4 e6
A84: d2d4f7f5c2c4e7e6b1c3 @ Dutch defence, Rubinstein variation; Bladel variation @ 1. d4 f5 2. c4 e6 3. Nc3
A84: d2d4f7f5c2c4e7e6e2e4 @ Dutch; Staunton gambit deferred @ 1. d4 f5 2. c4 e6 3. e4
A84: d2d4f7f5c2c4g8f6 @ Dutch defence; Staunton gambit deferred @ 1. d4 f5 2. c4 Nf6
A85: d2d4f7f5c2c4g8f6b1c3 @ Dutch with c4 & Nc3; Staunton gambit deferred @ 1. d4 f5 2. c4 Nf6 3. Nc3
A86: d2d4f7f5c2c4g8f6g2g3 @ Dutch with c4 & g3; Staunton gambit deferred @ 1. d4 f5 2. c4 Nf6 3. g3
A86: d2d4f7f5c2c4g8f6g2g3d7d6f1g2c7c6b1c3d8c7 @ Dutch; Hort-Antoshin system @ 1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7
A86: d2d4f7f5c2c4g8f6g2g3g7g6 @ Dutch; Leningrad variation @ 1. d4 f5 2. c4 Nf6 3. g3 g6
A87: d2d4f7f5c2c4g8f6g2g3g7g6f1g2f8g7g1f3 @ Dutch; Leningrad, Main variation @ 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3
A88: d2d4f7f5c2c4g8f6g2g3g7g6f1g2f8g7g1f3e8g8e1g1d7d6b1c3c7c6 @ Dutch; Leningrad, Main variation with c6 @ 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6
A89: d2d4f7f5c2c4g8f6g2g3g7g6f1g2f8g7g1f3e8g8e1g1d7d6b1c3b8c6 @ Dutch; Leningrad, Main variation with Nc6 @ 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6
A90: d2d4f7f5c2c4g8f6g2g3e7e6f1g2 @ Dutch defence; Leningrad, Main variation with Nc6 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
A90: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8b4 @ Dutch defence; Dutch-Indian (Nimzo-Dutch) variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+
A90: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8b4c1d2b4e7 @ Dutch-Indian, Alekhine variation; Dutch-Indian (Nimzo-Dutch) variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7
A91: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7 @ Dutch defence; Dutch-Indian (Nimzo-Dutch) variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7
A92: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8 @ Dutch defence; Dutch-Indian (Nimzo-Dutch) variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O
A92: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1f6e4 @ Dutch defence, Alekhine variation; Dutch-Indian (Nimzo-Dutch) variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4
A92: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5 @ Dutch; Stonewall variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5
A92: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5b1c3 @ Dutch; Stonewall with Nc3 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3
A93: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5b2b3 @ Dutch; Stonewall, Botwinnik variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3
A94: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5b2b3c7c6c1a3 @ Dutch; Stonewall with Ba3 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3
A95: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5b1c3c7c6 @ Dutch; Stonewall with Nc3 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6
A95: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d5b1c3c7c6d1c2d8e8c1g5 @ Dutch; Stonewall: Chekhover variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 8. Qc2 Qe8 9. Bg5
A96: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d6 @ Dutch; Classical variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6
A97: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d6b1c3d8e8 @ Dutch; Ilyin-Genevsky variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8
A97: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d6b1c3d8e8f1e1 @ Dutch; Ilyin-Genevsky, Winter variation @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re1
A98: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d6b1c3d8e8d1c2 @ Dutch; Ilyin-Genevsky variation with Qc2 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2
A99: d2d4f7f5c2c4g8f6g2g3e7e6f1g2f8e7g1f3e8g8e1g1d7d6b1c3d8e8b2b3 @ Dutch; Ilyin-Genevsky variation with b3 @ 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3
B00: e2e4 @ King's pawn Opening; Ilyin-Genevsky variation with b3 @ 1. e4
B00: e2e4g8h6d2d4g7g6c2c4f7f6 @ Hippopotamus defence; Ilyin-Genevsky variation with b3 @ 1. e4 Nh6 2. d4 g6 3. c4 f6
B00: e2e4a7a5 @ Corn stalk defence; Ilyin-Genevsky variation with b3 @ 1. e4 a5
B00: e2e4b8a6 @ Lemming defence; Ilyin-Genevsky variation with b3 @ 1. e4 Na6
B00: e2e4f7f5 @ Fred; Ilyin-Genevsky variation with b3 @ 1. e4 f5
B00: e2e4f7f6 @ Barnes defence; Ilyin-Genevsky variation with b3 @ 1. e4 f6
B00: e2e4f7f6d2d4e8f7 @ Fried fox defence; Ilyin-Genevsky variation with b3 @ 1. e4 f6 2. d4 Kf7
B00: e2e4h7h6 @ Carr's defence; Ilyin-Genevsky variation with b3 @ 1. e4 h6
B00: e2e4g7g5 @ Reversed Grob (Borg/Basman defence/macho Grob); Ilyin-Genevsky variation with b3 @ 1. e4 g5
B00: e2e4a7a6 @ St. George (Baker) defence; Ilyin-Genevsky variation with b3 @ 1. e4 a6
B00: e2e4b7b6 @ Owen defence; Ilyin-Genevsky variation with b3 @ 1. e4 b6
B00: e2e4b7b6d2d4c8a6 @ Guatemala defence; Ilyin-Genevsky variation with b3 @ 1. e4 b6 2. d4 Ba6
B00: e2e4b8c6 @ KP; Nimzovich defence @ 1. e4 Nc6
B00: e2e4b8c6b2b4c6b4c2c3b4c6d2d4 @ KP; Nimzovich defence, Wheeler gambit @ 1. e4 Nc6 2. b4 Nxb4 3. c3 Nc6 4. d4
B00: e2e4b8c6g1f3 @ KP; Nimzovich defence @ 1. e4 Nc6 2. Nf3
B00: e2e4b8c6g1f3f7f5 @ KP; Colorado counter @ 1. e4 Nc6 2. Nf3 f5
B00: e2e4b8c6d2d4 @ KP; Nimzovich defence @ 1. e4 Nc6 2. d4
B00: e2e4b8c6d2d4d7d5e4d5d8d5b1c3 @ KP; Nimzovich defence, Marshall gambit @ 1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3
B00: e2e4b8c6d2d4d7d5b1c3 @ KP; Nimzovich defence, Bogolyubov variation @ 1. e4 Nc6 2. d4 d5 3. Nc3
B00: e2e4b8c6d2d4f7f6 @ KP; Neo-Mongoloid defence @ 1. e4 Nc6 2. d4 f6
B01: e2e4d7d5 @ Scandinavian (centre counter) defence; Neo-Mongoloid defence @ 1. e4 d5
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4g8f6g1f3c8g4h2h3 @ Scandinavian defence, Lasker variation; Neo-Mongoloid defence @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4g8f6g1f3c8f5 @ Scandinavian defence; Neo-Mongoloid defence @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4g8f6g1f3c8f5f3e5c7c6g2g4 @ Scandinavian defence, Gruenfeld variation; Neo-Mongoloid defence @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4e7e5 @ Scandinavian; Anderssen counter-attack @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4e7e5d4e5f8b4c1d2b8c6g1f3 @ Scandinavian; Anderssen counter-attack Orthodox attack @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Bb4 6. Bd2 Nc6 7. Nf3
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4e7e5g1f3 @ Scandinavian; Anderssen counter-attack, Goteborg system @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3
B01: e2e4d7d5e4d5d8d5b1c3d5a5d2d4e7e5g1f3c8g4 @ Scandinavian; Anderssen counter-attack, Collijn variation @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4
B01: e2e4d7d5e4d5d8d5b1c3d5a5b2b4 @ Scandinavian, Mieses-Kotrvc gambit; Anderssen counter-attack, Collijn variation @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4
B01: e2e4d7d5e4d5d8d5b1c3d5d6 @ Scandinavian; Pytel-Wade variation @ 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
B01: e2e4d7d5e4d5g8f6 @ Scandinavian defence; Pytel-Wade variation @ 1. e4 d5 2. exd5 Nf6
B01: e2e4d7d5e4d5g8f6c2c4e7e6 @ Scandinavian; Icelandic gambit @ 1. e4 d5 2. exd5 Nf6 3. c4 e6
B01: e2e4d7d5e4d5g8f6c2c4c7c6 @ Scandinavian gambit; Icelandic gambit @ 1. e4 d5 2. exd5 Nf6 3. c4 c6
B01: e2e4d7d5e4d5g8f6d2d4 @ Scandinavian defence; Icelandic gambit @ 1. e4 d5 2. exd5 Nf6 3. d4
B01: e2e4d7d5e4d5g8f6d2d4f6d5 @ Scandinavian; Marshall variation @ 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5
B01: e2e4d7d5e4d5g8f6d2d4f6d5c2c4d5b4 @ Scandinavian; Kiel variation @ 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4
B01: e2e4d7d5e4d5g8f6d2d4g7g6 @ Scandinavian; Richter variation @ 1. e4 d5 2. exd5 Nf6 3. d4 g6
B02: e2e4g8f6 @ Alekhine's defence; Richter variation @ 1. e4 Nf6
B02: e2e4g8f6b1c3d7d5 @ Alekhine's defence; Scandinavian variation @ 1. e4 Nf6 2. Nc3 d5
B02: e2e4g8f6b1c3d7d5e4e5f6d7e5e6 @ Alekhine's defence; Spielmann variation @ 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6
B02: e2e4g8f6d2d3 @ Alekhine's defence; Maroczy variation @ 1. e4 Nf6 2. d3
B02: e2e4g8f6f1c4 @ Alekhine's defence; Krejcik variation @ 1. e4 Nf6 2. Bc4
B02: e2e4g8f6e4e5f6e4 @ Alekhine's defence; Mokele Mbembe (Buecker) variation @ 1. e4 Nf6 2. e5 Ne4
B02: e2e4g8f6e4e5f6g8 @ Alekhine's defence; Brooklyn defence @ 1. e4 Nf6 2. e5 Ng8
B02: e2e4g8f6e4e5f6d5 @ Alekhine's defence; Brooklyn defence @ 1. e4 Nf6 2. e5 Nd5
B02: e2e4g8f6e4e5f6d5f1c4d5b6c4b3c7c5d2d3 @ Alekhine's defence; Kmoch variation @ 1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3
B02: e2e4g8f6e4e5f6d5b1c3 @ Alekhine's defence; Saemisch attack @ 1. e4 Nf6 2. e5 Nd5 3. Nc3
B02: e2e4g8f6e4e5f6d5b2b3 @ Alekhine's defence; Welling variation @ 1. e4 Nf6 2. e5 Nd5 3. b3
B02: e2e4g8f6e4e5f6d5c2c4 @ Alekhine's defence; Welling variation @ 1. e4 Nf6 2. e5 Nd5 3. c4
B02: e2e4g8f6e4e5f6d5c2c4d5b6b2b3 @ Alekhine's defence; Steiner variation @ 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b3
B02: e2e4g8f6e4e5f6d5c2c4d5b6c4c5 @ Alekhine's defence; Two pawns' (Lasker's) attack @ 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5
B02: e2e4g8f6e4e5f6d5c2c4d5b6c4c5b6d5f1c4e7e6b1c3d7d6 @ Alekhine's defence; Two pawns' attack, Mikenas variation @ 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6
B03: e2e4g8f6e4e5f6d5d2d4 @ Alekhine's defence; Two pawns' attack, Mikenas variation @ 1. e4 Nf6 2. e5 Nd5 3. d4
B03: e2e4g8f6e4e5f6d5d2d4b7b5 @ Alekhine's defence; O'Sullivan gambit @ 1. e4 Nf6 2. e5 Nd5 3. d4 b5
B03: e2e4g8f6e4e5f6d5d2d4d7d6 @ Alekhine's defence; O'Sullivan gambit @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6
B03: e2e4g8f6e4e5f6d5d2d4d7d6f1c4 @ Alekhine's defence; Balogh variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4 @ Alekhine's defence; Balogh variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6e5d6 @ Alekhine's defence; Exchange variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6e5d6e7d6g1f3g7g6f1e2f8g7e1g1e8g8h2h3b8c6b1c3c8f5c1f4 @ Alekhine's defence; Exchange, Karpov variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Be2 Bg7 8. O-O O-O 9. h3 Nc6 10. Nc3 Bf5 11. Bf4
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4 @ Alekhine's defence; Four pawns attack @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4d6e5f4e5c8f5b1c3e7e6g1f3f8e7f1e2e8g8e1g1f7f6 @ Alekhine's defence; Four pawns attack, Korchnoi variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be2 O-O 10. O-O f6
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4d6e5f4e5b8c6 @ Alekhine's defence; Four pawns attack, 6...Nc6 @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4d6e5f4e5b8c6g1f3c8g4e5e6f7e6c4c5 @ Alekhine's defence; Four pawns attack, Ilyin-Genevsky var. @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. e6 fxe6 9. c5
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4d6e5f4e5b8c6c1e3 @ Alekhine's defence; Four pawns attack, 7.Be3 @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4d6e5f4e5b8c6c1e3c8f5b1c3e7e6g1f3d8d7f1e2e8c8e1g1f8e7 @ Alekhine's defence; Four pawns attack, Tartakower variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Qd7 10. Be2 O-O-O 11. O-O Be7
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4g7g5 @ Alekhine's defence; Four pawns attack, Planinc variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4g7g6 @ Alekhine's defence; Four pawns attack, Fianchetto variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6
B03: e2e4g8f6e4e5f6d5d2d4d7d6c2c4d5b6f2f4c8f5 @ Alekhine's defence; Four pawns attack, Trifunovic variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5
B04: e2e4g8f6e4e5f6d5d2d4d7d6g1f3 @ Alekhine's defence; Modern variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3
B04: e2e4g8f6e4e5f6d5d2d4d7d6g1f3d6e5 @ Alekhine's defence; Modern, Larsen variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5
B04: e2e4g8f6e4e5f6d5d2d4d7d6g1f3d5b6 @ Alekhine's defence; Modern, Schmid variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6
B04: e2e4g8f6e4e5f6d5d2d4d7d6g1f3g7g6 @ Alekhine's defence; Modern, Fianchetto variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6
B04: e2e4g8f6e4e5f6d5d2d4d7d6g1f3g7g6f1c4d5b6c4b3f8g7a2a4 @ Alekhine's defence; Modern, Keres variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4
B05: e2e4g8f6e4e5f6d5d2d4d7d6g1f3c8g4 @ Alekhine's defence; Modern variation, 4...Bg4 @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4
B05: e2e4g8f6e4e5f6d5d2d4d7d6g1f3c8g4f1e2c7c6 @ Alekhine's defence; Modern, Flohr variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6
B05: e2e4g8f6e4e5f6d5d2d4d7d6g1f3c8g4h2h3 @ Alekhine's defence; Modern, Panov variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3
B05: e2e4g8f6e4e5f6d5d2d4d7d6g1f3c8g4c2c4 @ Alekhine's defence; Modern, Alekhine variation @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4
B05: e2e4g8f6e4e5f6d5d2d4d7d6g1f3c8g4c2c4d5b6d4d5 @ Alekhine's defence; Modern, Vitolins attack @ 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. d5
B06: e2e4g7g6 @ Robatsch (Modern) defence; Modern, Vitolins attack @ 1. e4 g6
B06: e2e4g7g6d2d4g8f6e4e5f6h5g2g4h5g7 @ Norwegian defence; Modern, Vitolins attack @ 1. e4 g6 2. d4 Nf6 3. e5 Nh5 4. g4 Ng7
B06: e2e4g7g6d2d4f8g7 @ Robatsch (Modern) defence; Modern, Vitolins attack @ 1. e4 g6 2. d4 Bg7
B06: e2e4g7g6d2d4f8g7f2f4 @ Robatsch defence; Three pawns attack @ 1. e4 g6 2. d4 Bg7 3. f4
B06: e2e4g7g6d2d4f8g7b1c3 @ Robatsch defence; Three pawns attack @ 1. e4 g6 2. d4 Bg7 3. Nc3
B06: e2e4g7g6d2d4f8g7b1c3c7c6f2f4d7d5e4e5h7h5 @ Robatsch defence; Gurgenidze variation @ 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5
B06: e2e4g7g6d2d4f8g7b1c3d7d6 @ Robatsch (Modern) defence; Gurgenidze variation @ 1. e4 g6 2. d4 Bg7 3. Nc3 d6
B06: e2e4g7g6d2d4f8g7b1c3d7d6g1f3 @ Robatsch defence; Two knights variation @ 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3
B06: e2e4g7g6d2d4f8g7b1c3d7d6g1f3c7c6 @ Robatsch defence; Two knights, Suttles variation @ 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6
B06: e2e4g7g6d2d4f8g7b1c3d7d6f2f4 @ Robatsch defence; Pseudo-Austrian attack @ 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4
B07: e2e4d7d6d2d4g8f6b1c3 @ Pirc defence; Pseudo-Austrian attack @ 1. e4 d6 2. d4 Nf6 3. Nc3
B07: e2e4d7d6d2d4g8f6b1c3c7c6 @ Pirc; Ufimtsev-Pytel variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 c6
B07: e2e4d7d6d2d4g8f6b1c3g7g6 @ Pirc defence; Ufimtsev-Pytel variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6
B07: e2e4d7d6d2d4g8f6b1c3g7g6c1e3c7c6d1d2 @ Pirc; 150 attack @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2
B07: e2e4d7d6d2d4g8f6b1c3g7g6g2g3 @ Pirc; Sveshnikov system @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3
B07: e2e4d7d6d2d4g8f6b1c3g7g6f1c4 @ Pirc; Holmov system @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4
B07: e2e4d7d6d2d4g8f6b1c3g7g6c1g5 @ Pirc; Byrne variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5
B07: e2e4d7d6d2d4g8f6b1c3g7g6f1e2 @ Pirc defence; Byrne variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2
B07: e2e4d7d6d2d4g8f6b1c3g7g6f1e2f8g7g2g4 @ Pirc; Chinese variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g4
B07: e2e4d7d6d2d4g8f6b1c3g7g6f1e2f8g7h2h4 @ Pirc; bayonet (Mariotti) attack @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4
B07: e2e4g7g6d2d4f8g7g1f3d7d6c2c3 @ Robatsch defence; Geller's system @ 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3
B08: e2e4d7d6d2d4g8f6b1c3g7g6g1f3 @ Pirc; Classical (Two knights) system @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3
B08: e2e4d7d6d2d4g8f6b1c3g7g6g1f3f8g7 @ Pirc; Classical (Two knights) system @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7
B08: e2e4d7d6d2d4g8f6b1c3g7g6g1f3f8g7h2h3 @ Pirc; Classical, h3 system @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3
B08: e2e4d7d6d2d4g8f6b1c3g7g6g1f3f8g7f1e2 @ Pirc; Classical system, 5.Be2 @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4 @ Pirc; Austrian attack @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7g1f3e8g8 @ Pirc; Austrian attack @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7g1f3e8g8e4e5 @ Pirc; Austrian attack, 6.e5 @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7g1f3e8g8c1e3 @ Pirc; Austrian attack, 6.Be3 @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7g1f3e8g8f1d3 @ Pirc; Austrian attack, 6.Bd3 @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7g1f3c7c5 @ Pirc; Austrian attack, Dragon formation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5
B09: e2e4d7d6d2d4g8f6b1c3g7g6f2f4f8g7f1c4 @ Pirc; Austrian attack, Ljubojevic variation @ 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bc4
B10: e2e4c7c6 @ Caro-Kann defence; Austrian attack, Ljubojevic variation @ 1. e4 c6
B10: e2e4c7c6f1c4 @ Caro-Kann; Hillbilly attack @ 1. e4 c6 2. Bc4
B10: e2e4c7c6c2c4 @ Caro-Kann; Anti-Caro-Kann defence @ 1. e4 c6 2. c4
B10: e2e4c7c6c2c4d7d5 @ Caro-Kann; Anti-anti-Caro-Kann defence @ 1. e4 c6 2. c4 d5
B10: e2e4c7c6d2d3 @ Caro-Kann; Closed (Breyer) variation @ 1. e4 c6 2. d3
B10: e2e4c7c6b1c3 @ Caro-Kann defence; Closed (Breyer) variation @ 1. e4 c6 2. Nc3
B10: e2e4c7c6b1c3d7d5d1f3 @ Caro-Kann; GOldman (Spielmann) variation @ 1. e4 c6 2. Nc3 d5 3. Qf3
B10: e2e4c7c6b1c3d7d5g1f3 @ Caro-Kann; Two knights variation @ 1. e4 c6 2. Nc3 d5 3. Nf3
B11: e2e4c7c6b1c3d7d5g1f3c8g4 @ Caro-Kann; Two knights, 3...Bg4 @ 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4
B12: e2e4c7c6d2d4 @ Caro-Kann defence; Two knights, 3...Bg4 @ 1. e4 c6 2. d4
B12: e2e4c7c6d2d4b8a6b1c3a6c7 @ de Bruycker defence; Two knights, 3...Bg4 @ 1. e4 c6 2. d4 Na6 3. Nc3 Nc7
B12: e2e4c7c6d2d4g8f6 @ Caro-Masi defence; Two knights, 3...Bg4 @ 1. e4 c6 2. d4 Nf6
B12: e2e4c7c6d2d4d7d5 @ Caro-Kann defence; Two knights, 3...Bg4 @ 1. e4 c6 2. d4 d5
B12: e2e4c7c6d2d4d7d5f2f3 @ Caro-Kann; Tartakower (fantasy) variation @ 1. e4 c6 2. d4 d5 3. f3
B12: e2e4c7c6d2d4d7d5b1d2 @ Caro-Kann; 3.Nd2 @ 1. e4 c6 2. d4 d5 3. Nd2
B12: e2e4c7c6d2d4d7d5b1d2d8b6 @ Caro-Kann; Edinburgh variation @ 1. e4 c6 2. d4 d5 3. Nd2 Qb6
B12: e2e4c7c6d2d4d7d5e4e5 @ Caro-Kann; Advance variation @ 1. e4 c6 2. d4 d5 3. e5
B12: e2e4c7c6d2d4d7d5e4e5c8f5c2c3e7e6f1e2 @ Caro-Kann; Advance, Short variation @ 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be2
B13: e2e4c7c6d2d4d7d5e4d5 @ Caro-Kann; Exchange variation @ 1. e4 c6 2. d4 d5 3. exd5
B13: e2e4c7c6d2d4d7d5e4d5c6d5f1d3b8c6c2c3g8f6c1f4 @ Caro-Kann; Exchange, Rubinstein variation @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4 @ Caro-Kann; Panov-Botvinnik attack @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6c4c5 @ Caro-Kann; Panov-Botvinnik, Gunderam attack @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3 @ Caro-Kann; Panov-Botvinnik attack @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3b8c6c1g5d5c4d4d5c6a5 @ Caro-Kann; Panov-Botvinnik, Herzog defence @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. d5 Na5
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3b8c6c1g5e7e6 @ Caro-Kann; Panov-Botvinnik, normal variation @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3b8c6c1g5d8a5 @ Caro-Kann; Panov-Botvinnik, Czerniak variation @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5
B13: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3b8c6c1g5d8b6 @ Caro-Kann; Panov-Botvinnik, Reifir (Spielmann) variation @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6
B14: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3e7e6 @ Caro-Kann; Panov-Botvinnik attack, 5...e6 @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6
B14: e2e4c7c6d2d4d7d5e4d5c6d5c2c4g8f6b1c3g7g6 @ Caro-Kann; Panov-Botvinnik attack, 5...g6 @ 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6
B15: e2e4c7c6d2d4d7d5b1c3 @ Caro-Kann defence; Panov-Botvinnik attack, 5...g6 @ 1. e4 c6 2. d4 d5 3. Nc3
B15: e2e4c7c6d2d4d7d5b1c3b7b5 @ Caro-Kann; Gurgenidze counter-attack @ 1. e4 c6 2. d4 d5 3. Nc3 b5
B15: e2e4c7c6d2d4d7d5b1c3g7g6 @ Caro-Kann; Gurgenidze system @ 1. e4 c6 2. d4 d5 3. Nc3 g6
B15: e2e4c7c6d2d4d7d5b1c3d5e4f2f3 @ Caro-Kann; Rasa-Studier gambit @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3
B15: e2e4c7c6d2d4d7d5b1c3d5e4c3e4 @ Caro-Kann defence; Rasa-Studier gambit @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4
B15: e2e4c7c6d2d4d7d5b1c3d5e4c3e4g8f6f1d3 @ Caro-Kann; Alekhine gambit @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3
B15: e2e4c7c6d2d4d7d5b1c3d5e4c3e4g8f6e4f6g7f6 @ Caro-Kann; Tartakower (Nimzovich) variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6
B15: e2e4c7c6d2d4d7d5b1c3d5e4c3e4g8f6e4f6g7f6f1c4 @ Caro-Kann; Forgacs variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4
B16: e2e4c7c6d2d4d7d5b1c3d5e4c3e4g8f6e4f6g7f6 @ Caro-Kann; Bronstein-Larsen variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6
B17: e2e4c7c6d2d4d7d5b1c3d5e4c3e4b8d7 @ Caro-Kann; Steinitz variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7
B18: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5 @ Caro-Kann; Classical variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5
B18: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5e4g3f5g6g1h3 @ Caro-Kann; Classical, Flohr variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3
B18: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5e4g3f5g6f2f4 @ Caro-Kann; Classical, Maroczy attack @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4
B18: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5e4g3f5g6h2h4 @ Caro-Kann; Classical, 6.h4 @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4
B19: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5e4g3f5g6h2h4h7h6g1f3b8d7 @ Caro-Kann; Classical, 7...Nd7 @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7
B19: e2e4c7c6d2d4d7d5b1c3d5e4c3e4c8f5e4g3f5g6h2h4h7h6g1f3b8d7h4h5 @ Caro-Kann; Classical, Spassky variation @ 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
B20: e2e4c7c5 @ Sicilian defence; Classical, Spassky variation @ 1. e4 c5
B20: e2e4c7c5c2c4d7d6b1c3b8c6g2g3h7h5 @ Sicilian; Gloria variation @ 1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5
B20: e2e4c7c5g2g3 @ Sicilian; Steinitz variation @ 1. e4 c5 2. g3
B20: e2e4c7c5b2b4 @ Sicilian; wing gambit @ 1. e4 c5 2. b4
B20: e2e4c7c5b2b4c5b4c2c4 @ Sicilian; wing gambit, Santasiere variation @ 1. e4 c5 2. b4 cxb4 3. c4
B20: e2e4c7c5b2b4c5b4a2a3 @ Sicilian; wing gambit, Marshall variation @ 1. e4 c5 2. b4 cxb4 3. a3
B20: e2e4c7c5b2b4c5b4a2a3d7d5e4d5d8d5c1b2 @ Sicilian; wing gambit, Marienbad variation @ 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2
B20: e2e4c7c5b2b4c5b4a2a3b4a3 @ Sicilian; wing gambit, Carlsbad variation @ 1. e4 c5 2. b4 cxb4 3. a3 bxa3
B20: e2e4c7c5g1e2 @ Sicilian; Keres variation (2.Ne2) @ 1. e4 c5 2. Ne2
B21: e2e4c7c5f2f4 @ Sicilian; Grand Prix attack @ 1. e4 c5 2. f4
B21: e2e4c7c5d2d4 @ Sicilian; Smith-Morra gambit @ 1. e4 c5 2. d4
B21: e2e4c7c5d2d4c5d4g1f3e7e5c2c3 @ Sicilian; Andreaschek gambit @ 1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c3
B21: e2e4c7c5d2d4c5d4c2c3 @ Sicilian; Smith-Morra gambit @ 1. e4 c5 2. d4 cxd4 3. c3
B21: e2e4c7c5d2d4c5d4c2c3d4c3b1c3b8c6g1f3d7d6f1c4e7e6e1g1a7a6d1e2b7b5c4b3a8a7 @ Sicilian; Smith-Morra gambit, Chicago defence @ 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. O-O a6 8. Qe2 b5 9. Bb3 Ra7
B22: e2e4c7c5c2c3 @ Sicilian; Alapin's variation (2.c3) @ 1. e4 c5 2. c3
B22: e2e4c7c5c2c3g8f6e4e5f6d5g1f3b8c6b1a3 @ Sicilian; 2.c3, Heidenfeld variation @ 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3
B23: e2e4c7c5b1c3 @ Sicilian; Closed @ 1. e4 c5 2. Nc3
B23: e2e4c7c5b1c3e7e6g2g3d7d5 @ Sicilian; Closed, Korchnoi variation @ 1. e4 c5 2. Nc3 e6 3. g3 d5
B23: e2e4c7c5b1c3b8c6 @ Sicilian; Closed, 2...Nc6 @ 1. e4 c5 2. Nc3 Nc6
B23: e2e4c7c5b1c3b8c6g1e2 @ Sicilian; chameleon variation @ 1. e4 c5 2. Nc3 Nc6 3. Nge2
B23: e2e4c7c5b1c3b8c6f2f4 @ Sicilian; Grand Prix attack @ 1. e4 c5 2. Nc3 Nc6 3. f4
B23: e2e4c7c5b1c3b8c6f2f4g7g6g1f3f8g7f1c4e7e6f4f5 @ Sicilian; Grand Prix attack, Schofman variation @ 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5
B24: e2e4c7c5b1c3b8c6g2g3 @ Sicilian; Closed @ 1. e4 c5 2. Nc3 Nc6 3. g3
B24: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3e7e6c1e3c6d4c3e2 @ Sicilian; Closed, Smyslov variation @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2
B25: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6 @ Sicilian; Closed @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
B25: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6g1e2e7e5 @ Sicilian; Closed, 6.Ne2 e5 (Botvinnik) @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5
B25: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6f2f4 @ Sicilian; Closed, 6.f4 @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4
B25: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6f2f4e7e5 @ Sicilian; Closed, 6.f4 e5 (Botvinnik) @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5
B26: e2e4c7c5b1c3b8c6g2g3g7g6f1g2f8g7d2d3d7d6c1e3 @ Sicilian; Closed, 6.Be3 @ 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3
B27: e2e4c7c5g1f3 @ Sicilian defence; Closed, 6.Be3 @ 1. e4 c5 2. Nf3
B27: e2e4c7c5g1f3d8a5 @ Sicilian; Stiletto (Althouse) variation @ 1. e4 c5 2. Nf3 Qa5
B27: e2e4c7c5g1f3d8c7 @ Sicilian; Quinteros variation @ 1. e4 c5 2. Nf3 Qc7
B27: e2e4c7c5g1f3b7b6 @ Sicilian; Katalimov variation @ 1. e4 c5 2. Nf3 b6
B27: e2e4c7c5g1f3g7g6 @ Sicilian; Hungarian variation @ 1. e4 c5 2. Nf3 g6
B27: e2e4c7c5g1f3g7g6c2c4f8h6 @ Sicilian; Acton extension @ 1. e4 c5 2. Nf3 g6 3. c4 Bh6
B28: e2e4c7c5g1f3a7a6 @ Sicilian; O'Kelly variation @ 1. e4 c5 2. Nf3 a6
B29: e2e4c7c5g1f3g8f6 @ Sicilian; Nimzovich-Rubinstein variation @ 1. e4 c5 2. Nf3 Nf6
B29: e2e4c7c5g1f3g8f6e4e5f6d5b1c3e7e6c3d5e6d5d2d4b8c6 @ Sicilian; Nimzovich-Rubinstein; Rubinstein counter-gambit @ 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6
B30: e2e4c7c5g1f3b8c6 @ Sicilian defence; Nimzovich-Rubinstein; Rubinstein counter-gambit @ 1. e4 c5 2. Nf3 Nc6
B30: e2e4c7c5g1f3b8c6f1b5 @ Sicilian; Nimzovich-Rossolimo attack (without ...d6) @ 1. e4 c5 2. Nf3 Nc6 3. Bb5
B31: e2e4c7c5g1f3b8c6f1b5g7g6 @ Sicilian; Nimzovich-Rossolimo attack (with ...g6, without ...d6) @ 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
B31: e2e4c7c5g1f3b8c6f1b5g7g6e1g1f8g7f1e1e7e5b2b4 @ Sicilian; Nimzovich-Rossolimo attack, Gurgenidze variation @ 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4
B32: e2e4c7c5g1f3b8c6d2d4 @ Sicilian defence; Nimzovich-Rossolimo attack, Gurgenidze variation @ 1. e4 c5 2. Nf3 Nc6 3. d4
B32: e2e4c7c5g1f3b8c6d2d4c5d4f3d4d8c7 @ Sicilian; Flohr variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7
B32: e2e4c7c5g1f3b8c6d2d4c5d4f3d4d7d5 @ Sicilian; Nimzovich variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5
B32: e2e4c7c5g1f3b8c6d2d4c5d4f3d4e7e5 @ Sicilian; Labourdonnais-Loewenthal variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5
B32: e2e4c7c5g1f3b8c6d2d4c5d4f3d4e7e5d4b5d7d6 @ Sicilian; Labourdonnais-Loewenthal (Kalashnikov) variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6
B33: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6 @ Sicilian defence; Labourdonnais-Loewenthal (Kalashnikov) variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6
B33: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3e7e5 @ Sicilian; Pelikan (Lasker/Sveshnikov) variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5
B33: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3e7e5d4b5d7d6c1g5a7a6b5a3c8e6 @ Sicilian; Pelikan, Bird variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6
B33: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3e7e5d4b5d7d6c1g5a7a6b5a3b7b5 @ Sicilian; Pelikan, Chelyabinsk variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5
B33: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3e7e5d4b5d7d6c1g5a7a6b5a3b7b5g5f6g7f6c3d5f6f5 @ Sicilian; Sveshnikov variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
B34: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6d4c6 @ Sicilian; Accelerated Fianchetto, Exchange variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6
B34: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6b1c3 @ Sicilian; Accelerated Fianchetto, Modern variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3
B35: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6b1c3f8g7c1e3g8f6f1c4 @ Sicilian; Accelerated Fianchetto, Modern variation with Bc4 @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4
B36: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4 @ Sicilian; Accelerated Fianchetto, Maroczy bind @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4
B36: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4g8f6b1c3c6d4d1d4d7d6 @ Sicilian; Accelerated Fianchetto, Gurgenidze variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6
B37: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4f8g7 @ Sicilian; Accelerated Fianchetto, Maroczy bind, 5...Bg7 @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7
B37: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4f8g7d4c2d7d6f1e2g8h6 @ Sicilian; Accelerated Fianchetto, Simagin variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6
B38: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4f8g7c1e3 @ Sicilian; Accelerated Fianchetto, Maroczy bind, 6.Be3 @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3
B39: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g7g6c2c4f8g7c1e3g8f6b1c3f6g4 @ Sicilian; Accelerated Fianchetto, Breyer variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4
B40: e2e4c7c5g1f3e7e6 @ Sicilian defence; Accelerated Fianchetto, Breyer variation @ 1. e4 c5 2. Nf3 e6
B40: e2e4c7c5g1f3e7e6d2d4d7d5 @ Sicilian; Marshall variation @ 1. e4 c5 2. Nf3 e6 3. d4 d5
B40: e2e4c7c5g1f3e7e6d2d4c5d4 @ Sicilian defence; Marshall variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4
B40: e2e4c7c5g1f3e7e6d2d4c5d4f3d4g8f6 @ Sicilian; Anderssen variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6
B40: e2e4c7c5g1f3e7e6d2d4c5d4f3d4g8f6b1c3f8b4 @ Sicilian; Pin variation (Sicilian counter-attack) @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4
B40: e2e4c7c5g1f3e7e6d2d4c5d4f3d4g8f6b1c3f8b4f1d3e6e5 @ Sicilian; Pin, Jaffe variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5
B40: e2e4c7c5g1f3e7e6d2d4c5d4f3d4g8f6b1c3f8b4e4e5 @ Sicilian; Pin, Koch variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5
B41: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6 @ Sicilian; Kan variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6
B41: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6c2c4 @ Sicilian; Kan, Maroczy bind (Reti variation) @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4
B41: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6c2c4g8f6b1c3f8b4f1d3b8c6d3c2 @ Sicilian; Kan, Maroczy bind - Bronstein variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc2
B42: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6f1d3 @ Sicilian; Kan, 5.Bd3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3
B42: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6f1d3g8f6e1g1d7d6c2c4g7g6 @ Sicilian; Kan, Gipslis variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6
B42: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6f1d3f8c5 @ Sicilian; Kan, Polugaievsky variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5
B42: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6f1d3g7g6 @ Sicilian; Kan, Swiss cheese variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6
B43: e2e4c7c5g1f3e7e6d2d4c5d4f3d4a7a6b1c3 @ Sicilian; Kan, 5.Nc3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3
B44: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6 @ Sicilian defence; Kan, 5.Nc3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6
B44: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6d4b5 @ Sicilian, Szen (`anti-Taimanov') variation; Kan, 5.Nc3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5
B44: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6d4b5d7d6c2c4g8f6b1c3a7a6b5a3f8e7f1e2e8g8e1g1b7b6 @ Sicilian, Szen, hedgehog variation; Kan, 5.Nc3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O b6
B44: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6d4b5d7d6c2c4g8f6b1c3a7a6b5a3d6d5 @ Sicilian, Szen variation, Dely-Kasparov gambit; Kan, 5.Nc3 @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 d5
B45: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3 @ Sicilian; Taimanov variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3
B45: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3g8f6d4b5f8b4b5d6 @ Sicilian; Taimanov, American attack @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+
B46: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3a7a6 @ Sicilian; Taimanov variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6
B47: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3d8c7 @ Sicilian; Taimanov (Bastrikov) variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7
B48: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3d8c7c1e3 @ Sicilian; Taimanov variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3
B49: e2e4c7c5g1f3e7e6d2d4c5d4f3d4b8c6b1c3d8c7c1e3a7a6f1e2 @ Sicilian; Taimanov variation @ 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2
B50: e2e4c7c5g1f3d7d6 @ Sicilian; Taimanov variation @ 1. e4 c5 2. Nf3 d6
B50: e2e4c7c5g1f3d7d6b2b4 @ Sicilian; wing gambit deferred @ 1. e4 c5 2. Nf3 d6 3. b4
B51: e2e4c7c5g1f3d7d6f1b5 @ Sicilian; Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack @ 1. e4 c5 2. Nf3 d6 3. Bb5+
B52: e2e4c7c5g1f3d7d6f1b5c8d7 @ Sicilian; Canal-Sokolsky attack, 3...Bd7 @ 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
B52: e2e4c7c5g1f3d7d6f1b5c8d7b5d7d8d7e1g1b8c6c2c3g8f6d2d4 @ Sicilian; Canal-Sokolsky attack, Bronstein gambit @ 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4
B52: e2e4c7c5g1f3d7d6f1b5c8d7b5d7d8d7c2c4 @ Sicilian; Canal-Sokolsky attack, Sokolsky variation @ 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4
B53: e2e4c7c5g1f3d7d6d2d4c5d4d1d4 @ Sicilian, Chekhover variation; Canal-Sokolsky attack, Sokolsky variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4
B53: e2e4c7c5g1f3d7d6d2d4c5d4d1d4b8c6f1b5d8d7 @ Sicilian; Chekhover, Zaitsev variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7
B54: e2e4c7c5g1f3d7d6d2d4c5d4f3d4 @ Sicilian; Chekhover, Zaitsev variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4
B54: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6f2f3 @ Sicilian; Prins (Moscow) variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3
B55: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6f2f3e7e5f1b5 @ Sicilian; Prins variation, Venice attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+
B56: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3 @ Sicilian; Prins variation, Venice attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
B56: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e5f1b5 @ Sicilian; Venice attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+
B56: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6 @ Sicilian; Venice attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6
B57: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6f1c4 @ Sicilian; Sozin, not Scheveningen @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4
B57: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6f1c4g7g6d4c6b7c6e4e5 @ Sicilian; Magnus Smith trap @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5
B57: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6f1c4d8b6 @ Sicilian; Sozin, Benko variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6
B58: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3d7d6f1e2 @ Sicilian; Classical @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2
B58: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3d7d6f1e2e7e5 @ Sicilian; Boleslavsky variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5
B58: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3d7d6f1e2e7e5d4c6 @ Sicilian; Boleslavsky, Louma variation @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6
B59: e2e4c7c5g1f3b8c6d2d4c5d4f3d4g8f6b1c3d7d6f1e2e7e5d4b3 @ Sicilian; Boleslavsky variation, 7.Nb3 @ 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3
B60: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5 @ Sicilian; Richter-Rauzer @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5
B60: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5g7g6 @ Sicilian; Richter-Rauzer, Bondarevsky variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6
B60: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5c8d7 @ Sicilian; Richter-Rauzer, Larsen variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7
B61: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5c8d7d1d2 @ Sicilian; Richter-Rauzer, Larsen variation, 7.Qd2 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2
B62: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6 @ Sicilian; Richter-Rauzer, 6...e6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6
B62: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d4b3 @ Sicilian; Richter-Rauzer, Podvebrady variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nb3
B62: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6f1b5 @ Sicilian; Richter-Rauzer, Margate (Alekhine) variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb5
B62: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d4c6 @ Sicilian; Richter-Rauzer, Richter attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc6
B62: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d3 @ Sicilian; Richter-Rauzer, Keres variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3
B63: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2 @ Sicilian; Richter-Rauzer, Rauzer attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2
B63: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2f8e7 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...Be7 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7
B64: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2f8e7e1c1e8g8f2f4 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4
B64: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2f8e7e1c1e8g8f2f4e6e5 @ Sicilian; Richter-Rauzer, Rauzer attack, Geller variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 e5
B65: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2f8e7e1c1e8g8f2f4c6d4 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4
B65: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2f8e7e1c1e8g8f2f4c6d4d2d4 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4
B66: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2a7a6 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...a6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6
B67: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2a7a6e1c1c8d7 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7
B68: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2a7a6e1c1c8d7f2f4f8e7 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7
B69: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3b8c6c1g5e7e6d1d2a7a6e1c1c8d7f2f4f8e7d4f3b7b5g5f6 @ Sicilian; Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6
B70: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6 @ Sicilian; Dragon variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6
B71: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6f2f4 @ Sicilian; Dragon, Levenfish variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4
B71: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6f2f4b8d7 @ Sicilian; Dragon, Levenfish; Flohr variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7
B72: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3 @ Sicilian; Dragon, 6.Be3 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3
B72: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2 @ Sicilian; Dragon, Classical attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2
B72: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6d1d2 @ Sicilian; Dragon, Classical, Amsterdam variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2
B72: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6d1d2e8g8e1c1 @ Sicilian; Dragon, Classical, Grigoriev variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 O-O 9. O-O-O
B72: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6d4b3 @ Sicilian; Dragon, Classical, Nottingham variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3
B73: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1 @ Sicilian; Dragon, Classical, 8.O-O @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O
B73: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8f2f4d8b6e4e5 @ Sicilian; Dragon, Classical, Zollner gambit @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. f4 Qb6 10. e5
B73: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d1d2 @ Sicilian; Dragon, Classical, Richter variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Qd2
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3 @ Sicilian; Dragon, Classical, 9.Nb3 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3c8e6f2f4c6a5f4f5e6c4b3a5c4e2d1e2d8a5g2g4 @ Sicilian; Dragon, Classical, Stockholm attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. g4
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3c8e6f2f4c6a5f4f5e6c4e2d3 @ Sicilian; Dragon, Classical, Spielmann variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3c8e6f2f4c6a5f4f5e6c4e2d3c4d3c2d3d6d5 @ Sicilian; Dragon, Classical, Bernard defence @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3c8e6f2f4d8c8 @ Sicilian; Dragon, Classical, Reti-Tartakower variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Qc8
B74: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f1e2b8c6e1g1e8g8d4b3a7a5 @ Sicilian; Dragon, Classical, Alekhine variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 a5
B75: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3 @ Sicilian; Dragon, Yugoslav attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3
B76: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8 @ Sicilian; Dragon, Yugoslav attack, 7...O-O @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O
B76: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6e1c1 @ Sicilian; Dragon, Yugoslav attack, Rauser variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O
B77: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6f1c4 @ Sicilian; Dragon, Yugoslav attack, 9.Bc4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4
B77: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6f1c4a7a5 @ Sicilian; Dragon, Yugoslav attack, Byrne variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a5
B77: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6f1c4c8d7 @ Sicilian; Dragon, Yugoslav attack, 9...Bd7 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7
B78: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6f1c4c8d7e1c1 @ Sicilian; Dragon, Yugoslav attack, 10.O-O-O @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O
B79: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3g7g6c1e3f8g7f2f3e8g8d1d2b8c6f1c4c8d7e1c1d8a5c4b3f8c8h2h4 @ Sicilian; Dragon, Yugoslav attack, 12.h4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Qa5 11. Bb3 Rfc8 12. h4
B80: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6 @ Sicilian; Scheveningen variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6
B80: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6c1e3a7a6d1d2 @ Sicilian; Scheveningen, English variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Qd2
B80: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1b5 @ Sicilian; Scheveningen, Vitolins variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bb5+
B80: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6g2g3 @ Sicilian; Scheveningen, Fianchetto variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3
B81: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6g2g4 @ Sicilian; Scheveningen, Keres attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4
B82: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f2f4 @ Sicilian; Scheveningen, 6.f4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4
B82: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f2f4b8c6c1e3f8e7d1f3 @ Sicilian; Scheveningen, Tal variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 Nc6 7. Be3 Be7 8. Qf3
B83: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2 @ Sicilian; Scheveningen, 6.Be2 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2
B83: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2b8c6 @ Sicilian; Modern Scheveningen @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6
B83: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2b8c6e1g1f8e7c1e3e8g8f2f4 @ Sicilian; Modern Scheveningen, Main line @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4
B83: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2b8c6e1g1f8e7c1e3e8g8f2f4c8d7d4b3 @ Sicilian; Modern Scheveningen, Main line with Nb3 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4 Bd7 10. Nb3
B84: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6 @ Sicilian; Scheveningen (Paulsen), Classical variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6
B84: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1b8d7 @ Sicilian; Scheveningen, Classical, Nd7 system @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7
B84: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1d8c7 @ Sicilian; Scheveningen (Paulsen), Classical variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7
B85: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1d8c7f2f4b8c6 @ Sicilian; Scheveningen, Classical variation with ...Qc7 and ...Nc6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6
B85: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1d8c7f2f4b8c6g1h1f8e7a2a4 @ Sicilian; Scheveningen, Classical, Maroczy system @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. a4
B85: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1d8c7f2f4b8c6c1e3 @ Sicilian; Scheveningen, Classical @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3
B85: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1e2a7a6e1g1d8c7f2f4b8c6c1e3f8e7d1e1e8g8 @ Sicilian; Scheveningen, Classical Main line @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Be7 10. Qe1 O-O
B86: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4 @ Sicilian; Sozin attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4
B87: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4a7a6c4b3b7b5 @ Sicilian; Sozin with ...a6 and ...b5 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 b5
B88: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4b8c6 @ Sicilian; Sozin, Leonhardt variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6
B88: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4b8c6c4b3f8e7c1e3e8g8f2f4 @ Sicilian; Sozin, Fischer variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Bb3 Be7 8. Be3 O-O 9. f4
B89: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4b8c6c1e3 @ Sicilian; Sozin, 7.Be3 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3
B89: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3e7e6f1c4b8c6c1e3f8e7d1e2 @ Sicilian; Velimirovic attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3 Be7 8. Qe2
B90: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6 @ Sicilian; Najdorf @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
B90: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6h2h3 @ Sicilian; Najdorf, Adams attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3
B90: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6f1c4 @ Sicilian; Najdorf, Lipnitzky attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4
B90: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1e3 @ Sicilian; Najdorf, Byrne (English) attack @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3
B91: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6g2g3 @ Sicilian; Najdorf, Zagreb (Fianchetto) variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3
B92: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6f1e2 @ Sicilian; Najdorf, Opovcensky variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2
B93: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6f2f4 @ Sicilian; Najdorf, 6.f4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4
B94: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5 @ Sicilian; Najdorf, 6.Bg5 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5
B94: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5b8d7f1c4d8a5d1d2e7e6e1c1b7b5c4b3c8b7h1e1d7c5e4e5 @ Sicilian; Najdorf, Ivkov variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. O-O-O b5 10. Bb3 Bb7 11. Rhe1 Nc5 12. e5
B95: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6 @ Sicilian; Najdorf, 6...e6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6
B96: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4 @ Sicilian; Najdorf, 7.f4 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
B96: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4b7b5 @ Sicilian; Najdorf, Polugayevsky variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5
B96: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4b7b5e4e5d6e5f4e5d8c7d1e2 @ Sicilian; Najdorf, Polugayevsky, Simagin variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2
B97: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4d8b6 @ Sicilian; Najdorf, 7...Qb6 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6
B97: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4d8b6d1d2b6b2a1b1b2a3 @ Sicilian; Najdorf, Poisoned pawn variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3
B98: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4f8e7 @ Sicilian; Najdorf, 7...Be7 @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7
B98: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4f8e7d1f3h7h6g5h4d8c7 @ Sicilian; Najdorf, Browne variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7
B98: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4f8e7d1f3h7h6g5h4g7g5 @ Sicilian; Najdorf, Goteborg (Argentine) variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5
B98: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4f8e7d1f3d8c7 @ Sicilian; Najdorf variation @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7
B99: e2e4c7c5g1f3d7d6d2d4c5d4f3d4g8f6b1c3a7a6c1g5e7e6f2f4f8e7d1f3d8c7e1c1b8d7 @ Sicilian; Najdorf, 7...Be7 Main line @ 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7
C00: e2e4e7e6 @ French defence; Najdorf, 7...Be7 Main line @ 1. e4 e6
C00: e2e4e7e6c2c4 @ French defence, Steiner variation; Najdorf, 7...Be7 Main line @ 1. e4 e6 2. c4
C00: e2e4e7e6b2b3 @ French; Reti (Spielmann) variation @ 1. e4 e6 2. b3
C00: e2e4e7e6e4e5 @ French; Steinitz attack @ 1. e4 e6 2. e5
C00: e2e4e7e6f2f4 @ French; Labourdonnais variation @ 1. e4 e6 2. f4
C00: e2e4e7e6g1f3 @ French defence; Labourdonnais variation @ 1. e4 e6 2. Nf3
C00: e2e4e7e6g1f3d7d5e4e5c7c5b2b4 @ French; Wing gambit @ 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4
C00: e2e4e7e6b1c3 @ French defence; Wing gambit @ 1. e4 e6 2. Nc3
C00: e2e4e7e6b1c3d7d5f2f4 @ French; Pelikan variation @ 1. e4 e6 2. Nc3 d5 3. f4
C00: e2e4e7e6b1c3d7d5g1f3 @ French; Two knights variation @ 1. e4 e6 2. Nc3 d5 3. Nf3
C00: e2e4e7e6d1e2 @ French; Chigorin variation @ 1. e4 e6 2. Qe2
C00: e2e4e7e6d2d3 @ French; King's Indian attack @ 1. e4 e6 2. d3
C00: e2e4e7e6d2d3d7d5b1d2g8f6g1f3b8c6f1e2 @ French; Reversed Philidor formation @ 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. Be2
C00: e2e4e7e6d2d4 @ French defence; Reversed Philidor formation @ 1. e4 e6 2. d4
C00: e2e4e7e6d2d4d7d6 @ Lengfellner system; Reversed Philidor formation @ 1. e4 e6 2. d4 d6
C00: e2e4e7e6d2d4a7a6 @ St. George defence; Reversed Philidor formation @ 1. e4 e6 2. d4 a6
C00: e2e4e7e6d2d4d7d5 @ French defence; Reversed Philidor formation @ 1. e4 e6 2. d4 d5
C00: e2e4e7e6d2d4d7d5f1d3 @ French; Schlechter variation @ 1. e4 e6 2. d4 d5 3. Bd3
C00: e2e4e7e6d2d4d7d5c1e3 @ French; Alapin variation @ 1. e4 e6 2. d4 d5 3. Be3
C01: e2e4e7e6d2d4d7d5e4d5 @ French; Exchange variation @ 1. e4 e6 2. d4 d5 3. exd5
C01: e2e4e7e6d2d4d7d5e4d5e6d5b1c3g8f6c1g5 @ French; Exchange, Svenonius variation @ 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bg5
C01: e2e4e7e6d2d4d7d5e4d5e6d5b1c3g8f6c1g5b8c6 @ French; Exchange, Bogolyubov variation @ 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bg5 Nc6
C02: e2e4e7e6d2d4d7d5e4e5 @ French; Advance variation @ 1. e4 e6 2. d4 d5 3. e5
C02: e2e4e7e6d2d4d7d5e4e5c7c5d4c5 @ French; Advance, Steinitz variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5
C02: e2e4e7e6d2d4d7d5e4e5c7c5d1g4 @ French; Advance, Nimzovich variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4
C02: e2e4e7e6d2d4d7d5e4e5c7c5g1f3 @ French; Advance, Nimzovich system @ 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3 @ French; Advance variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3d8b6g1f3c8d7 @ French; Advance, Wade variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3b8c6 @ French; Advance variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3b8c6g1f3 @ French; Advance, Paulsen attack @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3b8c6g1f3d8b6f1d3 @ French; Advance, Milner-Barry gambit @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3
C02: e2e4e7e6d2d4d7d5e4e5c7c5c2c3b8c6g1f3c8d7 @ French; Advance, Euwe variation @ 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7
C03: e2e4e7e6d2d4d7d5b1d2 @ French; Tarrasch @ 1. e4 e6 2. d4 d5 3. Nd2
C03: e2e4e7e6d2d4d7d5b1d2f7f5 @ French; Tarrasch, Haberditz variation @ 1. e4 e6 2. d4 d5 3. Nd2 f5
C03: e2e4e7e6d2d4d7d5b1d2b8c6 @ French; Tarrasch, Guimard variation @ 1. e4 e6 2. d4 d5 3. Nd2 Nc6
C04: e2e4e7e6d2d4d7d5b1d2b8c6g1f3g8f6 @ French; Tarrasch, Guimard Main line @ 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6
C05: e2e4e7e6d2d4d7d5b1d2g8f6 @ French; Tarrasch, Closed variation @ 1. e4 e6 2. d4 d5 3. Nd2 Nf6
C05: e2e4e7e6d2d4d7d5b1d2g8f6e4e5f6d7f1d3c7c5c2c3b7b6 @ French; Tarrasch, Botvinnik variation @ 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6
C05: e2e4e7e6d2d4d7d5b1d2g8f6e4e5f6d7f1d3c7c5c2c3b8c6 @ French; Tarrasch, Closed variation @ 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6
C06: e2e4e7e6d2d4d7d5b1d2g8f6e4e5f6d7f1d3c7c5c2c3b8c6g1e2c5d4c3d4 @ French; Tarrasch, Closed variation, Main line @ 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
C06: e2e4e7e6d2d4d7d5b1d2g8f6e4e5f6d7f1d3c7c5c2c3b8c6g1e2c5d4c3d4d7b6 @ French; Tarrasch, Leningrad variation @ 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6
C07: e2e4e7e6d2d4d7d5b1d2c7c5 @ French; Tarrasch, Open variation @ 1. e4 e6 2. d4 d5 3. Nd2 c5
C07: e2e4e7e6d2d4d7d5b1d2c7c5e4d5d8d5g1f3c5d4f1c4d5d8 @ French; Tarrasch, Eliskases variation @ 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8
C08: e2e4e7e6d2d4d7d5b1d2c7c5e4d5e6d5 @ French; Tarrasch, Open, 4.ed ed @ 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5
C09: e2e4e7e6d2d4d7d5b1d2c7c5e4d5e6d5g1f3b8c6 @ French; Tarrasch, Open variation, Main line @ 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6
C10: e2e4e7e6d2d4d7d5b1c3 @ French; Paulsen variation @ 1. e4 e6 2. d4 d5 3. Nc3
C10: e2e4e7e6d2d4d7d5b1c3c7c5 @ French; Marshall variation @ 1. e4 e6 2. d4 d5 3. Nc3 c5
C10: e2e4e7e6d2d4d7d5b1c3d5e4 @ French; Rubinstein variation @ 1. e4 e6 2. d4 d5 3. Nc3 dxe4
C10: e2e4e7e6d2d4d7d5b1c3d5e4c3e4c8d7g1f3d7c6 @ French; Fort Knox variation @ 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6
C10: e2e4e7e6d2d4d7d5b1c3d5e4c3e4b8d7 @ French; Rubinstein variation @ 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7
C10: e2e4e7e6d2d4d7d5b1c3d5e4c3e4b8d7g1f3g8f6e4f6d7f6f3e5 @ French; Rubinstein, Capablanca line @ 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5
C10: e2e4e7e6d2d4d7d5b1c3d5e4c3e4d8d5 @ French; Frere (Becker) variation @ 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qd5
C11: e2e4e7e6d2d4d7d5b1c3g8f6 @ French defence; Frere (Becker) variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6
C11: e2e4e7e6d2d4d7d5b1c3g8f6f1d3 @ French; Swiss variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd3
C11: e2e4e7e6d2d4d7d5b1c3g8f6c1e3 @ French; Henneberger variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Be3
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5 @ French; Steinitz variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7f2f4c7c5d4c5f8c5d1g4 @ French; Steinitz, Bradford attack @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Bxc5 7. Qg4
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7f2f4c7c5d4c5b8c6 @ French; Steinitz variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7f2f4c7c5d4c5b8c6a2a3f8c5d1g4e8g8g1f3f7f6 @ French; Steinitz, Brodsky-Jones variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 7. a3 Bxc5 8. Qg4 O-O 9. Nf3 f6
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7f2f4c7c5g1f3 @ French; Steinitz variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7f2f4c7c5g1f3b8c6c1e3 @ French; Steinitz, Boleslavsky variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3
C11: e2e4e7e6d2d4d7d5b1c3g8f6e4e5f6d7d1g4 @ French; Steinitz, Gledhill attack @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Qg4
C11: e2e4e7e6d2d4d7d5b1c3g8f6c1g5d5e4 @ French; Burn variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4 @ French; MacCutcheon variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4d5d8d5g5f6g7f6d1d2d5a5 @ French; MacCutcheon, Bogolyubov variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Qd2 Qa5
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5 @ French; MacCutcheon, Advance variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6e5f6 @ French; MacCutcheon, Chigorin variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6e5f6h6g5f6g7h8g8h2h4g5h4d1g4 @ French; MacCutcheon, Grigoriev variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qg4
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5h4 @ French; MacCutcheon, Bernstein variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bh4
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5e3 @ French; MacCutcheon, Janowski variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5c1 @ French; MacCutcheon, Dr. Olland (Dutch) variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bc1
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5d2f6d7 @ French; MacCutcheon, Tartakower variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Nfd7
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5d2b4c3 @ French; MacCutcheon, Lasker variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5d2b4c3b2c3f6e4d1g4e8f8d2c1 @ French; MacCutcheon, Duras variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Bc1
C12: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8b4e4e5h7h6g5d2b4c3b2c3f6e4d1g4g7g6 @ French; MacCutcheon, Lasker variation, 8...g6 @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7 @ French; Classical @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7g5f6 @ French; Classical, Anderssen variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7g5f6e7f6e4e5f6e7d1g4 @ French; Classical, Anderssen-Richter variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6g8 @ French; Classical, Vistaneckis (Nimzoö)ððð variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6g8g5e3b7b6 @ French; Classical, Frankfurt variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 b6
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6e4 @ French; Classical, Tartakower variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7h2h4 @ French; Albin-Alekhine-Chatard attack @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7h2h4a7a6 @ French; Albin-Alekhine-Chatard attack, Maroczy variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7h2h4c7c5 @ French; Albin-Alekhine-Chatard attack, Breyer variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7h2h4f7f6 @ French; Albin-Alekhine-Chatard attack, Teichmann variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 f6
C13: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7h2h4e8g8 @ French; Albin-Alekhine-Chatard attack, Spielmann variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 O-O
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7 @ French; Classical variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7f1d3 @ French; Classical, Tarrasch variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Bd3
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7d1d2 @ French; Classical, Rubinstein variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7c3b5 @ French; Classical, Alapin variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nb5
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7d1g4 @ French; Classical, Pollock variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7f2f4 @ French; Classical, Steinitz variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4
C14: e2e4e7e6d2d4d7d5b1c3g8f6c1g5f8e7e4e5f6d7g5e7d8e7f2f4e8g8g1f3c7c5d1d2b8c6e1c1c5c4 @ French; Classical, Stahlberg variation @ 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. Qd2 Nc6 10. O-O-O c4
C15: e2e4e7e6d2d4d7d5b1c3f8b4 @ French; Winawer (Nimzovich) variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4
C15: e2e4e7e6d2d4d7d5b1c3f8b4f1d3c7c5e4d5d8d5c1d2 @ French; Winawer, Kondratiyev variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Bd2
C15: e2e4e7e6d2d4d7d5b1c3f8b4c1d2 @ French; Winawer, fingerslip variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2
C15: e2e4e7e6d2d4d7d5b1c3f8b4g1e2 @ French; Winawer, Alekhine (Maroczy) gambit @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2
C15: e2e4e7e6d2d4d7d5b1c3f8b4g1e2d5e4a2a3b4e7c3e4g8f6e2g3e8g8f1e2b8c6 @ French; Winawer, Alekhine gambit, Alatortsev variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 O-O 8. Be2 Nc6
C15: e2e4e7e6d2d4d7d5b1c3f8b4g1e2d5e4a2a3b4c3 @ French; Winawer, Alekhine gambit @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+
C15: e2e4e7e6d2d4d7d5b1c3f8b4g1e2d5e4a2a3b4c3e2c3b8c6 @ French; Winawer, Alekhine gambit, Kan variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6
C16: e2e4e7e6d2d4d7d5b1c3f8b4e4e5 @ French; Winawer, Advance variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5
C16: e2e4e7e6d2d4d7d5b1c3f8b4e4e5d8d7 @ French; Winawer, Petrosian variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7
C17: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5 @ French; Winawer, Advance variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5
C17: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5c1d2 @ French; Winawer, Advance, Bogolyubov variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2
C17: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5d1g4 @ French; Winawer, Advance, Russian variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4
C17: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3 @ French; Winawer, Advance, 5.a3 @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3
C17: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3c5d4a3b4d4c3g1f3 @ French; Winawer, Advance, Rauzer variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3
C18: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3 @ French; Winawer, Advance variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3
C18: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3d8c7 @ French; Winawer, Classical variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7 @ French; Winawer, Advance, 6...Ne7 @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7a3a4 @ French; Winawer, Advance, Smyslov variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7g1f3 @ French; Winawer, Advance, positional Main line @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7d1g4 @ French; Winawer, Advance, poisoned pawn variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7d1g4d8c7g4g7h8g8g7h7c5d4e1d1 @ French; Winawer, Advance, poisoned pawn, Euwe-Gligoric variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Kd1
C19: e2e4e7e6d2d4d7d5b1c3f8b4e4e5c7c5a2a3b4c3b2c3g8e7d1g4d8c7g4g7h8g8g7h7c5d4g1e2 @ French; Winawer, Advance, poisoned pawn, Konstantinopolsky variation @ 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2
C20: e2e4e7e5 @ King's pawn game; Winawer, Advance, poisoned pawn, Konstantinopolsky variation @ 1. e4 e5
C20: e2e4e7e5d2d3 @ KP; Indian Opening @ 1. e4 e5 2. d3
C20: e2e4e7e5a2a3 @ KP; Mengarini's Opening @ 1. e4 e5 2. a3
C20: e2e4e7e5f2f3 @ KP; King's head Opening @ 1. e4 e5 2. f3
C20: e2e4e7e5d1h5 @ KP; Patzer Opening @ 1. e4 e5 2. Qh5
C20: e2e4e7e5d1f3 @ KP; Napoleon's Opening @ 1. e4 e5 2. Qf3
C20: e2e4e7e5c2c3 @ KP; Lopez Opening @ 1. e4 e5 2. c3
C20: e2e4e7e5g1e2 @ Alapin's Opening; Lopez Opening @ 1. e4 e5 2. Ne2
C21: e2e4e7e5d2d4e5d4 @ Centre game; Lopez Opening @ 1. e4 e5 2. d4 exd4
C21: e2e4e7e5d2d4e5d4g1f3c7c5f1c4b7b5 @ Centre game, Kieseritsky variation; Lopez Opening @ 1. e4 e5 2. d4 exd4 3. Nf3 c5 4. Bc4 b5
C21: e2e4e7e5d2d4e5d4f2f4 @ Halasz gambit; Lopez Opening @ 1. e4 e5 2. d4 exd4 3. f4
C21: e2e4e7e5d2d4e5d4c2c3 @ Danish gambit; Lopez Opening @ 1. e4 e5 2. d4 exd4 3. c3
C21: e2e4e7e5d2d4e5d4c2c3d4c3f1c4c3b2c1b2d8e7 @ Danish gambit; Collijn defence @ 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Qe7
C21: e2e4e7e5d2d4e5d4c2c3d4c3f1c4c3b2c1b2d7d5 @ Danish gambit; Schlechter defence @ 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d5
C21: e2e4e7e5d2d4e5d4c2c3d7d5 @ Danish gambit; Soerensen defence @ 1. e4 e5 2. d4 exd4 3. c3 d5
C21: e2e4e7e5d2d4e5d4d1d4 @ Centre game; Soerensen defence @ 1. e4 e5 2. d4 exd4 3. Qxd4
C22: e2e4e7e5d2d4e5d4d1d4b8c6 @ Centre game; Soerensen defence @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4e3 @ Centre game; Paulsen attack @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4e3f8b4c2c3b4e7 @ Centre game; Charousek variation @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. c3 Be7
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4e3f7f5 @ Centre game; l'Hermet variation @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 f5
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4e3g8f6 @ Centre game; Berger variation @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4e3g8f6b1c3f8b4c1d2e8g8e1c1f8e8f1c4d7d6g1h3 @ Centre game; Kuprå)ðððk variation @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 d6 9. Nh3
C22: e2e4e7e5d2d4e5d4d1d4b8c6d4c4 @ Centre game; Hall variation @ 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4
C23: e2e4e7e5f1c4 @ Bishop's Opening; Hall variation @ 1. e4 e5 2. Bc4
C23: e2e4e7e5f1c4c7c6 @ Bishop's Opening; Philidor counter-attack @ 1. e4 e5 2. Bc4 c6
C23: e2e4e7e5f1c4c7c6d2d4d7d5e4d5c6d5c4b5c8d7b5d7b8d7d4e5d7e5g1e2 @ Bishop's Opening; Lisitsyn variation @ 1. e4 e5 2. Bc4 c6 3. d4 d5 4. exd5 cxd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. dxe5 Nxe5 8. Ne2
C23: e2e4e7e5f1c4f7f5 @ Bishop's Opening; Calabrese counter-gambit @ 1. e4 e5 2. Bc4 f5
C23: e2e4e7e5f1c4f7f5d2d3 @ Bishop's Opening; Calabrese counter-gambit, Jaenisch variation @ 1. e4 e5 2. Bc4 f5 3. d3
C23: e2e4e7e5f1c4f8c5 @ Bishop's Opening; Classical variation @ 1. e4 e5 2. Bc4 Bc5
C23: e2e4e7e5f1c4f8c5d1e2b8c6c2c3g8f6f2f4 @ Bishop's Opening; Lopez gambit @ 1. e4 e5 2. Bc4 Bc5 3. Qe2 Nc6 4. c3 Nf6 5. f4
C23: e2e4e7e5f1c4f8c5c2c3 @ Bishop's Opening; Philidor variation @ 1. e4 e5 2. Bc4 Bc5 3. c3
C23: e2e4e7e5f1c4f8c5c2c3g8f6d2d4e5d4e4e5d7d5e5f6d5c4d1h5e8g8 @ Bishop's Opening; Pratt variation @ 1. e4 e5 2. Bc4 Bc5 3. c3 Nf6 4. d4 exd4 5. e5 d5 6. exf6 dxc4 7. Qh5 O-O
C23: e2e4e7e5f1c4f8c5c2c3d7d5 @ Bishop's Opening; Lewis counter-gambit @ 1. e4 e5 2. Bc4 Bc5 3. c3 d5
C23: e2e4e7e5f1c4f8c5c2c3d8g5 @ Bishop's Opening; del Rio variation @ 1. e4 e5 2. Bc4 Bc5 3. c3 Qg5
C23: e2e4e7e5f1c4f8c5d2d4 @ Bishop's Opening; Lewis gambit @ 1. e4 e5 2. Bc4 Bc5 3. d4
C23: e2e4e7e5f1c4f8c5b2b4 @ Bishop's Opening; Wing gambit @ 1. e4 e5 2. Bc4 Bc5 3. b4
C23: e2e4e7e5f1c4f8c5b2b4c5b4f2f4 @ Bishop's Opening; MacDonnell double gambit @ 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4
C23: e2e4e7e5f1c4f8c5b2b4c5b4f2f4e5f4g1f3b4e7d2d4e7h4g2g3f4g3e1g1g3h2g1h1 @ Bishop's Opening; Four pawns' gambit @ 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 exf4 5. Nf3 Be7 6. d4 Bh4+ 7. g3 fxg3 8. O-O gxh2+ 9. Kh1
C24: e2e4e7e5f1c4g8f6 @ Bishop's Opening; Berlin defence @ 1. e4 e5 2. Bc4 Nf6
C24: e2e4e7e5f1c4g8f6f2f4 @ Bishop's Opening; Greco gambit @ 1. e4 e5 2. Bc4 Nf6 3. f4
C24: e2e4e7e5f1c4g8f6d2d4 @ Bishop's Opening; Ponziani gambit @ 1. e4 e5 2. Bc4 Nf6 3. d4
C24: e2e4e7e5f1c4g8f6d2d4e5d4g1f3 @ Bishop's Opening; Urusov gambit @ 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3
C24: e2e4e7e5f1c4g8f6d2d4e5d4g1f3d7d5e4d5f8b4c2c3d8e7 @ Bishop's Opening; Urusov gambit, Panov variation @ 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+
C25: e2e4e7e5b1c3 @ Vienna game; Urusov gambit, Panov variation @ 1. e4 e5 2. Nc3
C25: e2e4e7e5b1c3f8b4d1g4g8f6 @ Vienna; Zhuravlev countergambit @ 1. e4 e5 2. Nc3 Bb4 3. Qg4 Nf6
C25: e2e4e7e5b1c3b8c6 @ Vienna game, Max Lange defence; Zhuravlev countergambit @ 1. e4 e5 2. Nc3 Nc6
C25: e2e4e7e5b1c3b8c6g2g3 @ Vienna; Paulsen variation @ 1. e4 e5 2. Nc3 Nc6 3. g3
C25: e2e4e7e5b1c3b8c6d2d4 @ Vienna; Fyfe gambit @ 1. e4 e5 2. Nc3 Nc6 3. d4
C25: e2e4e7e5b1c3b8c6f2f4 @ Vienna gambit; Fyfe gambit @ 1. e4 e5 2. Nc3 Nc6 3. f4
C25: e2e4e7e5b1c3b8c6f2f4e5f4d2d4 @ Vienna; Steinitz gambit @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4
C25: e2e4e7e5b1c3b8c6f2f4e5f4d2d4d8h4e1e2d7d5 @ Vienna; Steinitz gambit, Zukertort defence @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 d5
C25: e2e4e7e5b1c3b8c6f2f4e5f4d2d4d8h4e1e2b7b6 @ Vienna; Steinitz gambit, Fraser-Minckwitz variation @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 b6
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3 @ Vienna gambit; Steinitz gambit, Fraser-Minckwitz variation @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5h2h4g5g4f3g5 @ Vienna; Hamppe-Allgaier gambit @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5h2h4g5g4f3g5d7d6 @ Vienna; Hamppe-Allgaier gambit, Alapin variation @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5f1c4g5g4e1g1 @ Vienna; Hamppe-Muzio gambit @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5f1c4g5g4e1g1g4f3d1f3c6e5f3f4d8f6 @ Vienna; Hamppe-Muzio, Dubois variation @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5d2d4 @ Vienna; Pierce gambit @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4
C25: e2e4e7e5b1c3b8c6f2f4e5f4g1f3g7g5d2d4g5g4f1c4g4f3e1g1d7d5e4d5c8g4d5c6 @ Vienna; Pierce gambit, Rushmere attack @ 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O d5 8. exd5 Bg4 9. dxc6
C26: e2e4e7e5b1c3g8f6 @ Vienna; Falkbeer variation @ 1. e4 e5 2. Nc3 Nf6
C26: e2e4e7e5b1c3g8f6a2a3 @ Vienna; Mengarini variation @ 1. e4 e5 2. Nc3 Nf6 3. a3
C26: e2e4e7e5b1c3g8f6g2g3 @ Vienna; Paulsen-Mieses variation @ 1. e4 e5 2. Nc3 Nf6 3. g3
C26: e2e4e7e5b1c3g8f6f1c4 @ Vienna game; Paulsen-Mieses variation @ 1. e4 e5 2. Nc3 Nf6 3. Bc4
C27: e2e4e7e5b1c3g8f6f1c4f6e4 @ Vienna game; Paulsen-Mieses variation @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4
C27: e2e4e7e5b1c3g8f6f1c4f6e4d1h5e4d6c4b3b8c6c3b5g7g6h5f3f7f5f3d5d8e7b5c7e8d8c7a8b7b6 @ Vienna; `Frankenstein-Dracula' variation @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6
C27: e2e4e7e5b1c3g8f6f1c4f6e4d1h5e4d6c4b3b8c6d2d4 @ Vienna; Adams' gambit @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d4
C27: e2e4e7e5b1c3g8f6f1c4f6e4d1h5e4d6c4b3f8e7 @ Vienna game; Adams' gambit @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7
C27: e2e4e7e5b1c3g8f6f1c4f6e4d1h5e4d6c4b3f8e7g1f3b8c6f3e5 @ Vienna; Alekhine variation @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5
C27: e2e4e7e5b1c3g8f6f1c4f6e4g1f3 @ Boden-Kieseritsky gambit; Alekhine variation @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nf3
C27: e2e4e7e5b1c3g8f6f1c4f6e4g1f3d7d5 @ Boden-Kieseritsky gambit; Lichtenhein defence @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nf3 d5
C28: e2e4e7e5b1c3g8f6f1c4b8c6 @ Vienna game; Lichtenhein defence @ 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6
C29: e2e4e7e5b1c3g8f6f2f4d7d5 @ Vienna gambit; Lichtenhein defence @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4g1f3c8g4d1e2 @ Vienna gambit; Kaufmann variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. Qe2
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4g1f3f8e7 @ Vienna gambit; Breyer variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4d1f3 @ Vienna gambit; Paulsen attack @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4d1f3f7f5 @ Vienna gambit; Bardeleben variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4d1f3f7f5d2d4 @ Vienna gambit; Heyde variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d4
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4d2d3 @ Vienna gambit; Heyde variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3
C29: e2e4e7e5b1c3g8f6f2f4d7d5f4e5f6e4d2d3d8h4g2g3e4g3g1f3h4h5c3d5 @ Vienna gambit, Wurzburger trap; Heyde variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5
C29: e2e4e7e5b1c3g8f6f2f4d7d5d2d3 @ Vienna gambit, Steinitz variation; Heyde variation @ 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3
C30: e2e4e7e5f2f4 @ King's gambit; Heyde variation @ 1. e4 e5 2. f4
C30: e2e4e7e5f2f4d8h4g2g3h4e7 @ KGD; Keene's defence @ 1. e4 e5 2. f4 Qh4+ 3. g3 Qe7
C30: e2e4e7e5f2f4c7c5 @ KGD; Mafia defence @ 1. e4 e5 2. f4 c5
C30: e2e4e7e5f2f4d8f6 @ KGD; Norwalde variation @ 1. e4 e5 2. f4 Qf6
C30: e2e4e7e5f2f4d8f6g1f3f6f4b1c3f8b4f1c4 @ KGD; Norwalde variation, Buecker gambit @ 1. e4 e5 2. f4 Qf6 3. Nf3 Qxf4 4. Nc3 Bb4 5. Bc4
C30: e2e4e7e5f2f4f8c5 @ KGD; Classical variation @ 1. e4 e5 2. f4 Bc5
C30: e2e4e7e5f2f4f8c5g1f3d7d6b1c3g8f6f1c4b8c6d2d3c8g4h2h3g4f3d1f3e5f4 @ KGD; Classical, Svenonius variation @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 exf4
C30: e2e4e7e5f2f4f8c5g1f3d7d6b1c3b8d7 @ KGD; Classical, Hanham variation @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nd7
C30: e2e4e7e5f2f4f8c5g1f3d7d6c2c3 @ KGD; Classical, 4.c3 @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3
C30: e2e4e7e5f2f4f8c5g1f3d7d6c2c3c8g4f4e5d6e5d1a4 @ KGD; Classical, Marshall attack @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. fxe5 dxe5 6. Qa4+
C30: e2e4e7e5f2f4f8c5g1f3d7d6c2c3f7f5 @ KGD; Classical counter-gambit @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5
C30: e2e4e7e5f2f4f8c5g1f3d7d6c2c3f7f5f4e5d6e5d2d4e5d4f1c4 @ KGD; Classical, Reti variation @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5 5. fxe5 dxe5 6. d4 exd4 7. Bc4
C30: e2e4e7e5f2f4f8c5g1f3d7d6f4e5 @ KGD; Classical, SOldatenkov variation @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. fxe5
C30: e2e4e7e5f2f4f8c5g1f3d7d6b2b4 @ KGD; Classical, Heath variation @ 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. b4
C30: e2e4e7e5f2f4g8f6 @ KGD; 2...Nf6 @ 1. e4 e5 2. f4 Nf6
C31: e2e4e7e5f2f4d7d5 @ KGD; Falkbeer counter-gambit @ 1. e4 e5 2. f4 d5
C31: e2e4e7e5f2f4d7d5g1f3 @ KGD; Falkbeer, Tartakower variation @ 1. e4 e5 2. f4 d5 3. Nf3
C31: e2e4e7e5f2f4d7d5b1c3 @ KGD; Falkbeer, Milner-Barry variation @ 1. e4 e5 2. f4 d5 3. Nc3
C31: e2e4e7e5f2f4d7d5e4d5 @ KGD; Falkbeer counter-gambit @ 1. e4 e5 2. f4 d5 3. exd5
C31: e2e4e7e5f2f4d7d5e4d5c7c6 @ KGD; Nimzovich counter-gambit @ 1. e4 e5 2. f4 d5 3. exd5 c6
C31: e2e4e7e5f2f4d7d5e4d5e5e4 @ KGD; Falkbeer, 3...e4 @ 1. e4 e5 2. f4 d5 3. exd5 e4
C31: e2e4e7e5f2f4d7d5e4d5e5e4b1c3g8f6d1e2 @ KGD; Falkbeer, Rubinstein variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. Qe2
C31: e2e4e7e5f2f4d7d5e4d5e5e4f1b5 @ KGD; Falkbeer, Nimzovich variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. Bb5+
C31: e2e4e7e5f2f4d7d5e4d5e5e4d2d3 @ KGD; Falkbeer, 4.d3 @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3
C31: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6b1c3f8b4c1d2e4e3 @ KGD; Falkbeer, Morphy gambit @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nc3 Bb4 6. Bd2 e3
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4 @ KGD; Falkbeer, 5.de @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4f6e4g1f3f8c5d1e2c5f2e1d1d8d5f3d2 @ KGD; Falkbeer, Alapin variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf2+ 8. Kd1 Qxd5+ 9. Nfd2
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4f6e4g1f3f8c5d1e2c8f5 @ KGD; Falkbeer, Main line, 7...Bf5 @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4f6e4g1f3f8c5d1e2c8f5g2g4e8g8 @ KGD; Falkbeer, Tarrasch variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 8. g4 O-O
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4f6e4d1e2 @ KGD; Falkbeer, Charousek gambit @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d3e4f6e4d1e2d8d5b1d2f7f5g2g4 @ KGD; Falkbeer, Charousek variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2 Qxd5 7. Nd2 f5 8. g4
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6b1d2 @ KGD; Falkbeer, Keres variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nd2
C32: e2e4e7e5f2f4d7d5e4d5e5e4d2d3g8f6d1e2 @ KGD; Falkbeer, Reti variation @ 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Qe2
C33: e2e4e7e5f2f4e5f4 @ King's gambit accepted; Falkbeer, Reti variation @ 1. e4 e5 2. f4 exf4
C33: e2e4e7e5f2f4e5f4e1f2 @ KGA; Tumbleweed gambit @ 1. e4 e5 2. f4 exf4 3. Kf2
C33: e2e4e7e5f2f4e5f4b2b3 @ KGA; Orsini gambit @ 1. e4 e5 2. f4 exf4 3. b3
C33: e2e4e7e5f2f4e5f4h2h4 @ KGA; Pawn's gambit (Stamma gambit) @ 1. e4 e5 2. f4 exf4 3. h4
C33: e2e4e7e5f2f4e5f4f1d3 @ KGA; Schurig gambit @ 1. e4 e5 2. f4 exf4 3. Bd3
C33: e2e4e7e5f2f4e5f4d1e2 @ KGA; Carrera (Basman) gambit @ 1. e4 e5 2. f4 exf4 3. Qe2
C33: e2e4e7e5f2f4e5f4d2d4 @ KGA; Villemson (Steinitz) gambit @ 1. e4 e5 2. f4 exf4 3. d4
C33: e2e4e7e5f2f4e5f4b1c3 @ KGA; Keres (Mason-Steinitz) gambit @ 1. e4 e5 2. f4 exf4 3. Nc3
C33: e2e4e7e5f2f4e5f4d1f3 @ KGA; Breyer gambit @ 1. e4 e5 2. f4 exf4 3. Qf3
C33: e2e4e7e5f2f4e5f4f1e2 @ KGA; Lesser Bishop's (Petroff-Jaenisch-Tartakower) gambit @ 1. e4 e5 2. f4 exf4 3. Be2
C33: e2e4e7e5f2f4e5f4f1c4 @ KGA; Bishop's gambit @ 1. e4 e5 2. f4 exf4 3. Bc4
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1d7d5c4d5g7g5g2g3 @ KGA; Bishop's gambit, Chigorin's attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d5 5. Bxd5 g5 6. g3
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1f8c5 @ KGA; Bishop's gambit, Greco variation @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5 @ KGA; Bishop's gambit, Classical defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5b1c3f8g7d2d4d7d6e4e5 @ KGA; Bishop's gambit, Grimm attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 d6 7. e5
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5b1c3f8g7d2d4g8e7 @ KGA; Bishop's gambit, Classical defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5b1c3f8g7d2d4g8e7g2g3 @ KGA; Bishop's gambit, McDonnell attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7 7. g3
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5b1c3f8g7g2g3 @ KGA; Bishop's gambit, McDonnell attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5b1c3f8g7g2g3f4g3d1f3 @ KGA; Bishop's gambit, Fraser variation @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Qf3
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1g7g5d1f3 @ KGA; Bishop's gambit, Classical defence, Cozio attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Qf3
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1b8c6 @ KGA; Bishop's gambit, Boden defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nc6
C33: e2e4e7e5f2f4e5f4f1c4d8h4e1f1b7b5 @ KGA; Bishop's gambit, Bryan counter-gambit @ 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5
C33: e2e4e7e5f2f4e5f4f1c4b7b5 @ KGA; Bishop's gambit, Bryan counter-gambit @ 1. e4 e5 2. f4 exf4 3. Bc4 b5
C33: e2e4e7e5f2f4e5f4f1c4g8e7 @ KGA; Bishop's gambit, Steinitz defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Ne7
C33: e2e4e7e5f2f4e5f4f1c4b8c6 @ KGA; Bishop's gambit, Maurian defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Nc6
C33: e2e4e7e5f2f4e5f4f1c4c7c6 @ KGA; Bishop's gambit, Ruy Lopez defence @ 1. e4 e5 2. f4 exf4 3. Bc4 c6
C33: e2e4e7e5f2f4e5f4f1c4f7f5 @ KGA; Bishop's gambit, Lopez-Gianutio counter-gambit @ 1. e4 e5 2. f4 exf4 3. Bc4 f5
C33: e2e4e7e5f2f4e5f4f1c4f7f5d1e2d8h4e1d1f5e4b1c3e8d8 @ KGA; Lopez-Gianutio counter-gambit, Hein variation @ 1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8
C33: e2e4e7e5f2f4e5f4f1c4d7d5 @ KGA; Bishop's gambit, Bledow variation @ 1. e4 e5 2. f4 exf4 3. Bc4 d5
C33: e2e4e7e5f2f4e5f4f1c4d7d5c4d5d8h4e1f1g7g5g2g3 @ KGA; Bishop's gambit, Gifford variation @ 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 g5 6. g3
C33: e2e4e7e5f2f4e5f4f1c4d7d5c4d5d8h4e1f1f8d6 @ KGA; Bishop's gambit, Boren-Svenonius variation @ 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6
C33: e2e4e7e5f2f4e5f4f1c4d7d5c4d5c7c6 @ KGA; Bishop's gambit, Anderssen variation @ 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 c6
C33: e2e4e7e5f2f4e5f4f1c4d7d5c4d5g8f6 @ KGA; Bishop's gambit, Morphy variation @ 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6
C33: e2e4e7e5f2f4e5f4f1c4g8f6 @ KGA; Bishop's gambit, Cozio (Morphy) defence @ 1. e4 e5 2. f4 exf4 3. Bc4 Nf6
C33: e2e4e7e5f2f4e5f4f1c4g8f6b1c3 @ KGA; Bishop's gambit, Bogolyubov variation @ 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3
C33: e2e4e7e5f2f4e5f4f1c4g8f6b1c3f8b4e4e5 @ KGA; Bishop's gambit, Paulsen attack @ 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 Bb4 5. e5
C33: e2e4e7e5f2f4e5f4f1c4g8f6b1c3c7c6 @ KGA; Bishop's gambit, Jaenisch variation @ 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6
C34: e2e4e7e5f2f4e5f4g1f3 @ King's knight's gambit; Bishop's gambit, Jaenisch variation @ 1. e4 e5 2. f4 exf4 3. Nf3
C34: e2e4e7e5f2f4e5f4g1f3g8e7 @ KGA; Bonsch-Osmolovsky variation @ 1. e4 e5 2. f4 exf4 3. Nf3 Ne7
C34: e2e4e7e5f2f4e5f4g1f3f7f5 @ KGA; Gianutio counter-gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 f5
C34: e2e4e7e5f2f4e5f4g1f3d7d6 @ KGA; Fischer defence @ 1. e4 e5 2. f4 exf4 3. Nf3 d6
C34: e2e4e7e5f2f4e5f4g1f3h7h6 @ KGA; Becker defence @ 1. e4 e5 2. f4 exf4 3. Nf3 h6
C34: e2e4e7e5f2f4e5f4g1f3g8f6 @ KGA; Schallop defence @ 1. e4 e5 2. f4 exf4 3. Nf3 Nf6
C35: e2e4e7e5f2f4e5f4g1f3f8e7 @ KGA; Cunningham defence @ 1. e4 e5 2. f4 exf4 3. Nf3 Be7
C35: e2e4e7e5f2f4e5f4g1f3f8e7f1c4e7h4g2g3 @ KGA; Cunningham, Bertin gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3
C35: e2e4e7e5f2f4e5f4g1f3f8e7f1c4e7h4g2g3f4g3e1g1g3h2g1h1 @ KGA; Cunningham, Three pawns gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1
C35: e2e4e7e5f2f4e5f4g1f3f8e7f1c4g8f6 @ KGA; Cunningham, Euwe defence @ 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6
C36: e2e4e7e5f2f4e5f4g1f3d7d5 @ KGA; Abbazia defence (Classical defence, Modern defence[!]) @ 1. e4 e5 2. f4 exf4 3. Nf3 d5
C36: e2e4e7e5f2f4e5f4g1f3d7d5e4d5g8f6 @ KGA; Abbazia defence, Modern variation @ 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6
C36: e2e4e7e5f2f4e5f4g1f3d7d5e4d5g8f6f1b5c7c6d5c6b7c6b5c4f6d5 @ KGA; Abbazia defence, Botvinnik variation @ 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd5
C37: e2e4e7e5f2f4e5f4g1f3g7g5b1c3 @ KGA; Quaade gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Nc3
C37: e2e4e7e5f2f4e5f4g1f3g7g5d2d4 @ KGA; Rosentreter gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4
C37: e2e4e7e5f2f4e5f4g1f3g7g5d2d4g5g4f3e5 @ KGA; Soerensen gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne5
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4 @ KGA; King's knight's gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4b8c6 @ KGA; Blachly gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Nc6
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4c4f7 @ KGA; Lolli gambit (wild Muzio gambit) @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4c4f7e8f7e1g1g4f3d1f3d8f6d2d4f6d4c1e3d4f6b1c3 @ KGA; Lolli gambit, Young variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+ Kxf7 6. O-O gxf3 7. Qxf3 Qf6 8. d4 Qxd4+ 9. Be3 Qf6 10. Nc3
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4d2d4 @ KGA; Ghulam Kassim gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d4
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4b1c3 @ KGA; MacDonnell gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Nc3
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4f3e5 @ KGA; Salvio gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4f3e5d8h4e1f1g8h6d2d4f4f3 @ KGA; Silberschmidt gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 f3
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4f3e5d8h4e1f1g8h6d2d4d7d6 @ KGA; Salvio gambit, Anderssen counter-attack @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 d6
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4f3e5d8h4e1f1f4f3 @ KGA; Cochrane gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4f3e5d8h4e1f1b8c6 @ KGA; Herzfeld gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nc6
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1 @ KGA; Muzio gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1g4f3d1f3d8f6e4e5f6e5d2d3f8h6b1c3g8e7c1d2b8c6a1e1 @ KGA; Muzio gambit, Paulsen variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1g4f3d1f3d8f6e4e5f6e5c4f7 @ KGA; double Muzio gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. Bxf7+
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1g4f3d1f3d8e7 @ KGA; Muzio gambit, From defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qe7
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1g4f3d1f3b8c6 @ KGA; Muzio gambit, Holloway defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Nc6
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1d8e7 @ KGA; Muzio gambit, Kling and Horwitz counter-attack @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7
C37: e2e4e7e5f2f4e5f4g1f3g7g5f1c4g5g4e1g1d7d5 @ KGA; Muzio gambit, Brentano defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O d5
C38: e2e4e7e5f2f4e5f4g1f3g7g5f1c4f8g7 @ King's knight's gambit; Muzio gambit, Brentano defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7
C38: e2e4e7e5f2f4e5f4g1f3g7g5f1c4f8g7e1g1 @ KGA; Hanstein gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O
C38: e2e4e7e5f2f4e5f4g1f3g7g5f1c4f8g7h2h4 @ KGA; Philidor gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4
C38: e2e4e7e5f2f4e5f4g1f3g7g5f1c4f8g7h2h4h7h6d2d4d7d6b1c3c7c6h4g5h6g5h1h8g7h8f3e5 @ KGA; Greco gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Nc3 c6 8. hxg5 hxg5 9. Rxh8 Bxh8 10. Ne5
C38: e2e4e7e5f2f4e5f4g1f3g7g5f1c4f8g7h2h4h7h6d2d4d7d6d1d3 @ KGA; Philidor gambit, Schultz variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Qd3
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4 @ King's knight's gambit; Philidor gambit, Schultz variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5 @ KGA; Allgaier gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7d1g4g8f6g4f4f8d6 @ KGA; Allgaier, Horny defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Qxg4 Nf6 8. Qxf4 Bd6
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7d2d4 @ KGA; Allgaier, ThorOld variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7d2d4d7d5c1f4d5e4f1c4f7g7f4e5 @ KGA; Allgaier, Cook variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7b1c3 @ KGA; Allgaier, Blackburne gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Nc3
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7f1c4 @ KGA; Allgaier, Walker attack @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5h7h6g5f7e8f7f1c4d7d5c4d5f7g7d2d4 @ KGA; Allgaier, Urusov attack @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ d5 8. Bxd5+ Kg7 9. d4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3g5g8f6 @ KGA; Allgaier, Schlechter defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5f8g7 @ KGA; Kieseritsky, Paulsen defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Bg7
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5h7h5 @ KGA; Kieseritsky, long whip (Stockwhip, Classical) defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5h7h5f1c4h8h7d2d4f8h6b1c3 @ KGA; Kieseritsky, long whip defence, Jaenisch variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 Bh6 8. Nc3
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d7d5 @ KGA; Kieseritsky, Brentano (Campbell) defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d7d5d2d4g8f6e4d5d8d5b1c3f8b4e1f2 @ KGA; Kieseritsky, Brentano defence, Kaplanek variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. exd5 Qxd5 8. Nc3 Bb4 9. Kf2
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d7d5d2d4g8f6c1f4 @ KGA; Kieseritsky, Brentano defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d7d5d2d4g8f6c1f4f6e4b1d2 @ KGA; Kieseritsky, Brentano defence, Caro variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 Nxe4 8. Nd2
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d8e7 @ KGA; Kieseritsky, Salvio (Rosenthal) defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d8e7d2d4f7f5f1c4 @ KGA; Kieseritsky, Salvio defence, Cozio variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7 6. d4 f5 7. Bc4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5f8e7 @ KGA; Kieseritsky, Polerio defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Be7
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5b8c6 @ KGA; Kieseritsky, Neumann defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nc6
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5d7d6 @ KGA; Kieseritsky, Kolisch defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d6
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5g8f6 @ KGA; Kieseritsky, Berlin defence @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5g8f6e5g4d7d5 @ KGA; Kieseritsky, Berlin defence, Riviere variation @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Nxg4 d5
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5g8f6f1c4 @ KGA; Kieseritsky, Berlin defence, 6.Bc4 @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4
C39: e2e4e7e5f2f4e5f4g1f3g7g5h2h4g5g4f3e5g8f6f1c4d7d5e4d5f8d6e1g1 @ KGA; Kieseritsky, Rice gambit @ 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O
C40: e2e4e7e5g1f3 @ King's knight Opening; Kieseritsky, Rice gambit @ 1. e4 e5 2. Nf3
C40: e2e4e7e5g1f3d8e7 @ Gunderam defence; Kieseritsky, Rice gambit @ 1. e4 e5 2. Nf3 Qe7
C40: e2e4e7e5g1f3d8f6 @ Greco defence; Kieseritsky, Rice gambit @ 1. e4 e5 2. Nf3 Qf6
C40: e2e4e7e5g1f3f7f6 @ Damiano's defence; Kieseritsky, Rice gambit @ 1. e4 e5 2. Nf3 f6
C40: e2e4e7e5g1f3d7d5 @ QP counter-gambit (elephant gambit); Kieseritsky, Rice gambit @ 1. e4 e5 2. Nf3 d5
C40: e2e4e7e5g1f3d7d5e4d5f8d6 @ QP counter-gambit; Maroczy gambit @ 1. e4 e5 2. Nf3 d5 3. exd5 Bd6
C40: e2e4e7e5g1f3f7f5 @ Latvian counter-gambit; Maroczy gambit @ 1. e4 e5 2. Nf3 f5
C40: e2e4e7e5g1f3f7f5f3e5d8f6d2d4d7d6e5c4f5e4c4e3 @ Latvian; Nimzovich variation @ 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3
C40: e2e4e7e5g1f3f7f5f3e5b8c6 @ Latvian; Fraser defence @ 1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6
C40: e2e4e7e5g1f3f7f5f1c4 @ Latvian gambit, 3.Bc4; Fraser defence @ 1. e4 e5 2. Nf3 f5 3. Bc4
C40: e2e4e7e5g1f3f7f5f1c4f5e4f3e5d8g5e5f7g5g2h1f1d7d5f7h8g8f6 @ Latvian; Behting variation @ 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. Nf7 Qxg2 6. Rf1 d5 7. Nxh8 Nf6
C40: e2e4e7e5g1f3f7f5f1c4f5e4f3e5d7d5 @ Latvian; Polerio variation @ 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5
C40: e2e4e7e5g1f3f7f5f1c4f5e4f3e5g8f6 @ Latvian; corkscrew counter-gambit @ 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Nf6
C41: e2e4e7e5g1f3d7d6 @ Philidor's defence; corkscrew counter-gambit @ 1. e4 e5 2. Nf3 d6
C41: e2e4e7e5g1f3d7d6f1c4f8e7c2c3 @ Philidor; Steinitz variation @ 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3
C41: e2e4e7e5g1f3d7d6f1c4f7f5 @ Philidor; Lopez counter-gambit @ 1. e4 e5 2. Nf3 d6 3. Bc4 f5
C41: e2e4e7e5g1f3d7d6f1c4f7f5d2d4e5d4f3g5g8h6g5h7 @ Philidor; Lopez counter-gambit, Jaenisch variation @ 1. e4 e5 2. Nf3 d6 3. Bc4 f5 4. d4 exd4 5. Ng5 Nh6 6. Nxh7
C41: e2e4e7e5g1f3d7d6d2d4 @ Philidor's defence; Lopez counter-gambit, Jaenisch variation @ 1. e4 e5 2. Nf3 d6 3. d4
C41: e2e4e7e5g1f3d7d6d2d4f7f5 @ Philidor; Philidor counter-gambit @ 1. e4 e5 2. Nf3 d6 3. d4 f5
C41: e2e4e7e5g1f3d7d6d2d4f7f5d4e5f5e4f3g5d6d5e5e6 @ Philidor; Philidor counter-gambit, del Rio attack @ 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6
C41: e2e4e7e5g1f3d7d6d2d4f7f5d4e5f5e4f3g5d6d5e5e6f8c5b1c3 @ Philidor; Philidor counter-gambit, Berger variation @ 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 Bc5 7. Nc3
C41: e2e4e7e5g1f3d7d6d2d4f7f5b1c3 @ Philidor; Philidor counter-gambit, Zukertort variation @ 1. e4 e5 2. Nf3 d6 3. d4 f5 4. Nc3
C41: e2e4e7e5g1f3d7d6d2d4e5d4 @ Philidor; Exchange variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4
C41: e2e4e7e5g1f3d7d6d2d4e5d4d1d4c8d7 @ Philidor; Boden variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7
C41: e2e4e7e5g1f3d7d6d2d4e5d4f3d4 @ Philidor; Exchange variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4
C41: e2e4e7e5g1f3d7d6d2d4e5d4f3d4d6d5e4d5 @ Philidor; Paulsen attack @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5. exd5
C41: e2e4e7e5g1f3d7d6d2d4e5d4f3d4g8f6 @ Philidor; Exchange variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6
C41: e2e4e7e5g1f3d7d6d2d4e5d4f3d4g8f6b1c3f8e7f1e2e8g8e1g1c7c5d4f3b8c6c1g5c8e6f1e1 @ Philidor; Berger variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O c5 8. Nf3 Nc6 9. Bg5 Be6 10. Re1
C41: e2e4e7e5g1f3d7d6d2d4e5d4f3d4g7g6 @ Philidor; Larsen variation @ 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6
C41: e2e4e7e5g1f3d7d6d2d4g8f6 @ Philidor; Nimzovich (Jaené3ððð variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6
C41: e2e4e7e5g1f3d7d6d2d4g8f6b1c3b8d7 @ Philidor; Improved Hanham variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7
C41: e2e4e7e5g1f3d7d6d2d4g8f6b1c3b8d7f1c4f8e7e1g1e8g8d1e2c7c6a2a4e5d4 @ Philidor; Nimzovich, Sozin variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Qe2 c6 8. a4 exd4
C41: e2e4e7e5g1f3d7d6d2d4g8f6b1c3b8d7f1c4f8e7f3g5e8g8c4f7 @ Philidor; Nimzovich, Larobok variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+
C41: e2e4e7e5g1f3d7d6d2d4g8f6d4e5 @ Philidor; Nimzovich variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5
C41: e2e4e7e5g1f3d7d6d2d4g8f6d4e5f6e4b1d2 @ Philidor; Nimzovich, Sokolsky variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Nbd2
C41: e2e4e7e5g1f3d7d6d2d4g8f6d4e5f6e4d1d5 @ Philidor; Nimzovich, Rellstab variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5
C41: e2e4e7e5g1f3d7d6d2d4g8f6f3g5 @ Philidor; Nimzovich, Locock variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Ng5
C41: e2e4e7e5g1f3d7d6d2d4g8f6f1c4 @ Philidor; Nimzovich, Klein variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bc4
C41: e2e4e7e5g1f3d7d6d2d4b8d7 @ Philidor; Hanham variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6e1g1 @ Philidor; Hanham, Krause variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6e1g1f8e7d4e5 @ Philidor; Hanham, Steiner variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O Be7 6. dxe5
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6f3g5 @ Philidor; Hanham, Kmoch variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Ng5
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6f3g5g8h6f2f4f8e7e1g1e8g8c2c3d6d5 @ Philidor; Hanham, Berger variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Ng5 Nh6 6. f4 Be7 7. O-O O-O 8. c3 d5
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6b1c3 @ Philidor; Hanham, Schlechter variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3
C41: e2e4e7e5g1f3d7d6d2d4b8d7f1c4c7c6c2c3 @ Philidor; Hanham, Delmar variation @ 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. c3
C42: e2e4e7e5g1f3g8f6 @ Petrov's defence; Hanham, Delmar variation @ 1. e4 e5 2. Nf3 Nf6
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d3 @ Petrov; French attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4c2c4 @ Petrov; Kaufmann attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4b1c3 @ Petrov; Nimzovich attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d1e2 @ Petrov; Cozio (Lasker) attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4 @ Petrov; Classical attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1b8c6f1e1 @ Petrov; Classical attack, Chigorin variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1b8c6f1e1c8g4c2c3f7f5b1d2 @ Petrov; Classical attack, Berger variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1b8c6f1e1c8g4c2c3f7f5c3c4 @ Petrov; Classical attack, Krause variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1b8c6f1e1c8g4c2c3f7f5c3c4e7h4 @ Petrov; Classical attack, Maroczy variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4 Bh4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1b8c6c2c4 @ Petrov; Classical attack, Jaenisch variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8e7e1g1e8g8 @ Petrov; Classical attack, Mason variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8d6 @ Petrov; Classical attack, Marshall variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8d6e1g1e8g8c2c4c8g4 @ Petrov; Classical attack, Tarrasch variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4d6d5f1d3f8d6e1g1e8g8c2c4c8g4c4d5f7f5f1e1d6h2 @ Petrov; Classical attack, Marshall trap @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f3f6e4d2d4e4f6 @ Petrov; Classical attack, close variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Nf6
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5f7 @ Petrov; Cochrane gambit @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7
C42: e2e4e7e5g1f3g8f6f3e5d7d6e5c4 @ Petrov; Paulsen attack @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4
C42: e2e4e7e5g1f3g8f6f3e5f6e4 @ Petrov; Damiano variation @ 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4
C42: e2e4e7e5g1f3g8f6b1c3 @ Petrov Three knights game; Damiano variation @ 1. e4 e5 2. Nf3 Nf6 3. Nc3
C42: e2e4e7e5g1f3g8f6f1c4 @ Petrov; Italian variation @ 1. e4 e5 2. Nf3 Nf6 3. Bc4
C43: e2e4e7e5g1f3g8f6d2d4 @ Petrov; Modern (Steinitz) attack @ 1. e4 e5 2. Nf3 Nf6 3. d4
C43: e2e4e7e5g1f3g8f6d2d4e5d4e4e5f6e4d1d4 @ Petrov; Modern attack, Main line @ 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4
C43: e2e4e7e5g1f3g8f6d2d4e5d4e4e5f6e4d1e2 @ Petrov; Modern attack, Steinitz variation @ 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2
C43: e2e4e7e5g1f3g8f6d2d4e5d4e4e5f6e4d1e2e4c5f3d4b8c6 @ Petrov; Modern attack, Bardeleben variation @ 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6
C43: e2e4e7e5g1f3g8f6d2d4e5d4f1c4 @ Petrov; Urusov gambit @ 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Bc4
C43: e2e4e7e5g1f3g8f6d2d4f6e4 @ Petrov; Modern attack, Symmetrical variation @ 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4
C43: e2e4e7e5g1f3g8f6d2d4f6e4f1d3d7d5f3e5f8d6e1g1e8g8c2c4d6e5 @ Petrov; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. c4 Bxe5
C44: e2e4e7e5g1f3b8c6 @ King's pawn game; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6
C44: e2e4e7e5g1f3b8c6f3e5c6e5d2d4 @ Irish (Chicago) gambit; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. d4
C44: e2e4e7e5g1f3b8c6g2g3 @ Konstantinopolsky Opening; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. g3
C44: e2e4e7e5g1f3b8c6c2c4 @ Dresden Opening; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. c4
C44: e2e4e7e5g1f3b8c6f1e2 @ Inverted Hungarian; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. Be2
C44: e2e4e7e5g1f3b8c6f1e2g8f6d2d3d7d5b1d2 @ Inverted Hanham; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2
C44: e2e4e7e5g1f3b8c6f1e2g8f6d2d4 @ Tayler Opening; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d4
C44: e2e4e7e5g1f3b8c6c2c3 @ Ponziani Opening; Modern attack, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. c3
C44: e2e4e7e5g1f3b8c6c2c3d7d5d1a4c8d7 @ Ponziani; Caro variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7
C44: e2e4e7e5g1f3b8c6c2c3d7d5d1a4g8f6 @ Ponziani; Leonhardt variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6
C44: e2e4e7e5g1f3b8c6c2c3d7d5d1a4f7f6 @ Ponziani; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6
C44: e2e4e7e5g1f3b8c6c2c3g8f6 @ Ponziani; Jaenisch counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6
C44: e2e4e7e5g1f3b8c6c2c3g8f6d2d4f6e4d4d5f8c5 @ Ponziani; Fraser defence @ 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Bc5
C44: e2e4e7e5g1f3b8c6c2c3g8e7 @ Ponziani; Reti variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 Nge7
C44: e2e4e7e5g1f3b8c6c2c3f8e7 @ Ponziani; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 Be7
C44: e2e4e7e5g1f3b8c6c2c3f7f5 @ Ponziani counter-gambit; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 f5
C44: e2e4e7e5g1f3b8c6c2c3f7f5d2d4d7d6d4d5 @ Ponziani counter-gambit, Schmidt attack; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5
C44: e2e4e7e5g1f3b8c6c2c3f7f5d2d4d7d6d4d5f5e4f3g5c6b8g5e4g8f6f1d3f8e7 @ Ponziani counter-gambit, Cordel variation; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5 fxe4 6. Ng5 Nb8 7. Nxe4 Nf6 8. Bd3 Be7
C44: e2e4e7e5g1f3b8c6d2d4 @ Scotch Opening; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. d4
C44: e2e4e7e5g1f3b8c6d2d4c6d4 @ Scotch; Lolli variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4
C44: e2e4e7e5g1f3b8c6d2d4c6d4f3e5d4e6f1c4c7c6e1g1g8f6e5f7 @ Scotch; Cochrane variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxe5 Ne6 5. Bc4 c6 6. O-O Nf6 7. Nxf7
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1b5 @ Scotch; Relfsson gambit ('MacLopez') @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5
C44: e2e4e7e5g1f3b8c6d2d4e5d4c2c3 @ Scotch; Goering gambit @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3
C44: e2e4e7e5g1f3b8c6d2d4e5d4c2c3d4c3b1c3d7d6f1c4c8g4e1g1c6e5f3e5g4d1c4f7e8e7c3d5 @ Scotch; Sea-cadet mate @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5#
C44: e2e4e7e5g1f3b8c6d2d4e5d4c2c3d4c3b1c3f8b4 @ Scotch; Goering gambit @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4
C44: e2e4e7e5g1f3b8c6d2d4e5d4c2c3d4c3b1c3f8b4f1c4g8f6 @ Scotch; Goering gambit, Bardeleben variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bc4 Nf6
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4 @ Scotch gambit; Goering gambit, Bardeleben variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8c5e1g1d7d6c2c3c8g4 @ Scotch gambit; Anderssen (Paulsen, Suhle) counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8c5f3g5 @ Scotch gambit; Anderssen (Paulsen, Suhle) counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8c5f3g5g8h6g5f7h6f7c4f7e8f7d1h5g7g6h5c5d7d5 @ Scotch gambit; Cochrane-Shumov defence @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8c5f3g5g8h6d1h5 @ Scotch gambit; Vitzhum attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Qh5
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8b4 @ Scotch gambit; Vitzhum attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8b4c2c3d4c3e1g1c3b2c1b2g8f6f3g5e8g8e4e5c6e5 @ Scotch gambit; Hanneken variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. O-O cxb2 7. Bxb2 Nf6 8. Ng5 O-O 9. e5 Nxe5
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8b4c2c3d4c3b2c3 @ Scotch gambit; Hanneken variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8b4c2c3d4c3b2c3b4a5e4e5 @ Scotch gambit; Cochrane variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. e5
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4f8e7 @ Scotch gambit; Benima defence @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7
C44: e2e4e7e5g1f3b8c6d2d4e5d4f1c4g8f6 @ Scotch gambit; Dubois-Reti defence @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4 @ Scotch game; Dubois-Reti defence @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4c6d4d1d4d7d6f1d3 @ Scotch; Ghulam Kassim variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bd3
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4 @ Scotch; Pulling counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4d4b5 @ Scotch; Horwitz attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4d4b5f8b4b1d2h4e4f1e2e4g2e2f3g2h3b5c7e8d8c7a8g8f6a2a3 @ Scotch; Berger variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Nd2 Qxe4+ 7. Be2 Qxg2 8. Bf3 Qh3 9. Nxc7+ Kd8 10. Nxa8 Nf6 11. a3
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4d4b5f8b4c1d2 @ Scotch game; Berger variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4d4b5f8b4c1d2h4e4f1e2e8d8e1g1b4d2b1d2e4g6 @ Scotch; Rosenthal variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2 Qxe4+ 7. Be2 Kd8 8. O-O Bxd2 9. Nxd2 Qg6
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4d4f3 @ Scotch; Fraser attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nf3
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4d8h4b1c3 @ Scotch; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4g8f6 @ Scotch; Schmidt variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4g8f6d4c6d7c6e4e5 @ Scotch; Mieses variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4g8f6d4c6d7c6b1d2 @ Scotch; Tartakower variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nd2
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5 @ Scotch game; Tartakower variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6c2c3g8e7d1d2 @ Scotch; Blackburne attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6c2c3g8e7d1d2d7d5d4b5c5e3d2e3e8g8b5c7a8b8c7d5e7d5e4d5c6b4 @ Scotch; Gottschall variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d5 8. Nb5 Bxe3 9. Qxe3 O-O 10. Nxc7 Rb8 11. Nxd5 Nxd5 12. exd5 Nb4
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6c2c3g8e7f1b5 @ Scotch; Paulsen attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6c2c3g8e7f1b5c6d8 @ Scotch; Paulsen, Gunsberg defence @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nd8
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6c2c3g8e7d4c2 @ Scotch; Meitner variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Nc2
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5c1e3d8f6d4b5 @ Scotch; Blumenfeld attack @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb5
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5d4b3 @ Scotch; Potter variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3
C45: e2e4e7e5g1f3b8c6d2d4e5d4f3d4f8c5d4b3c5b4 @ Scotch; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+
C46: e2e4e7e5g1f3b8c6b1c3 @ Three knights game; Romanishin variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3
C46: e2e4e7e5g1f3b8c6b1c3f8b4c3d5g8f6 @ Three knights; Schlechter variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Nd5 Nf6
C46: e2e4e7e5g1f3b8c6b1c3f7f5 @ Three knights; Winawer defence (Gothic defence) @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 f5
C46: e2e4e7e5g1f3b8c6b1c3g7g6 @ Three knights; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6
C46: e2e4e7e5g1f3b8c6b1c3g7g6d2d4e5d4c3d5 @ Three knights; Steinitz, Rosenthal variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5
C46: e2e4e7e5g1f3b8c6b1c3g8f6 @ Four knights game; Steinitz, Rosenthal variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
C46: e2e4e7e5g1f3b8c6b1c3g8f6f3e5 @ Four knights; Schultze-Mueller gambit @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5
C46: e2e4e7e5g1f3b8c6b1c3g8f6f1c4 @ Four knights; Italian variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4
C46: e2e4e7e5g1f3b8c6b1c3g8f6a2a3 @ Four knights; Gunsberg variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3
C47: e2e4e7e5g1f3b8c6b1c3g8f6d2d4 @ Four knights; Scotch variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4
C47: e2e4e7e5g1f3b8c6b1c3g8f6d2d4f8b4f3e5 @ Four knights; Scotch, Krause variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5
C47: e2e4e7e5g1f3b8c6b1c3g8f6d2d4e5d4 @ Four knights; Scotch, 4...exd4 @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4
C47: e2e4e7e5g1f3b8c6b1c3g8f6d2d4e5d4c3d5 @ Four knights; Belgrade gambit @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5 @ Four knights; Spanish variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5a7a6b5c6 @ Four knights; Ranken variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5a7a6b5c6d7c6f3e5f6e4c3e4d8d4e1g1d4e5f1e1c8e6d2d4e5d5 @ Four knights; Spielmann variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. Re1 Be6 10. d4 Qd5
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8c5 @ Four knights; Spanish, Classical defence @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8c5e1g1e8g8f3e5c6e5d2d4c5d6f2f4e5c6e4e5d6b4 @ Four knights; Bardeleben variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Nc6 9. e5 Bb4
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8c5e1g1e8g8f3e5c6d4 @ Four knights; Marshall variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nd4
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4 @ Four knights; Rubinstein counter-gambit @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4f3e5d8e7f2f4 @ Four knights; Rubinstein counter-gambit, Bogolyubov variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Qe7 6. f4
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4b5e2 @ Four knights; Rubinstein counter-gambit, 5.Be2 @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4b5e2d4f3e2f3f8c5e1g1e8g8d2d3d7d6c3a4c5b6 @ Four knights; Rubinstein counter-gambit Maroczy variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4f3d4 @ Four knights; Rubinstein counter-gambit, Exchange variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4
C48: e2e4e7e5g1f3b8c6b1c3g8f6f1b5c6d4e1g1 @ Four knights; Rubinstein counter-gambit, Henneberger variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. O-O
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4 @ Four knights; double Ruy Lopez @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8c3d5f6d5e4d5e5e4 @ Four knights; Gunsberg counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Nd5 Nxd5 7. exd5 e4
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3 @ Four knights; double Ruy Lopez @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d8e7c3e2d7d5 @ Four knights; Alatortsev variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3b4c3 @ Four knights; Alatortsev variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3b4c3b2c3d7d6f1e1 @ Four knights; Janowski variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3b4c3b2c3d7d5 @ Four knights; Svenonius variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6 @ Four knights; Symmetrical variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c1g5b4c3b2c3d8e7 @ Four knights; Symmetrical, Metger unpin @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c1g5b4c3b2c3d8e7f1e1c6d8d3d4c8g4 @ Four knights; Symmetrical, Capablanca variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Bg4
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c1g5c6e7 @ Four knights; Symmetrical, Pillsbury variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c1g5c6e7f3h4c7c6b5c4d6d5c4b3d8d6 @ Four knights; Symmetrical, Blake variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 d5 10. Bb3 Qd6
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c1g5c8e6 @ Four knights; Symmetrical, Tarrasch variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Be6
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8d2d3d7d6c3e2 @ Four knights; Symmetrical, Maroczy system @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2
C49: e2e4e7e5g1f3b8c6b1c3g8f6f1b5f8b4e1g1e8g8b5c6 @ Four knights; Nimzovich (Paulsen) variation @ 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6
C50: e2e4e7e5g1f3b8c6f1c4 @ King's pawn game; Nimzovich (Paulsen) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4
C50: e2e4e7e5g1f3b8c6f1c4c6d4f3e5d8g5e5f7g5g2h1f1g2e4c4e2d4f3 @ Blackburne shilling gambit; Nimzovich (Paulsen) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxe5 Qg5 5. Nxf7 Qxg2 6. Rf1 Qxe4+ 7. Be2 Nf3#
C50: e2e4e7e5g1f3b8c6f1c4f7f5 @ Rousseau gambit; Nimzovich (Paulsen) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5
C50: e2e4e7e5g1f3b8c6f1c4f8e7 @ Hungarian defence; Nimzovich (Paulsen) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7
C50: e2e4e7e5g1f3b8c6f1c4f8e7d2d4e5d4c2c3g8f6e4e5f6e4 @ Hungarian defence; Tartakower variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne4
C50: e2e4e7e5g1f3b8c6f1c4f8c5 @ Giuoco Piano; Tartakower variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
C50: e2e4e7e5g1f3b8c6f1c4f8c5b1c3g8f6 @ Giuoco Piano; Four knights variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6
C50: e2e4e7e5g1f3b8c6f1c4f8c5c4f7 @ Giuoco Piano; Jerome gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bxf7+
C50: e2e4e7e5g1f3b8c6f1c4f8c5d2d3 @ Giuoco Pianissimo; Jerome gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3
C50: e2e4e7e5g1f3b8c6f1c4f8c5d2d3f7f5f3g5f5f4 @ Giuoco Pianissimo; Dubois variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 f5 5. Ng5 f4
C50: e2e4e7e5g1f3b8c6f1c4f8c5d2d3g8f6 @ Giuoco Pianissimo; Dubois variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6
C50: e2e4e7e5g1f3b8c6f1c4f8c5d2d3g8f6b1c3 @ Giuoco Pianissimo; Italian Four knights variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3
C50: e2e4e7e5g1f3b8c6f1c4f8c5d2d3g8f6b1c3d7d6c1g5 @ Giuoco Pianissimo; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4 @ Evans gambit declined; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6b4b5c6a5f3e5g8h6 @ Evans gambit declined, Lange variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6b4b5c6a5f3e5g8h6d2d4d7d6c1h6d6e5h6g7h8g8c4f7e8f7g7e5d8g5b1d2 @ Evans gambit declined, Pavlov variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 7. d4 d6 8. Bxh6 dxe5 9. Bxg7 Rg8 10. Bxf7+ Kxf7 11. Bxe5 Qg5 12. Nd2
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6b4b5c6a5f3e5d8g5 @ Evans gambit declined, Hirschbach variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6b4b5c6a5f3e5d8g5c4f7e8e7d1h5 @ Evans gambit declined, Vasquez variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Bxf7+ Ke7 8. Qh5
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6b4b5c6a5f3e5d8g5d1f3g5e5f3f7e8d8c1b2 @ Evans gambit declined, Hicken variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Qf3 Qxe5 8. Qxf7+ Kd8 9. Bb2
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6a2a4 @ Evans gambit declined, 5.a4; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6a2a4a7a6b1c3 @ Evans gambit declined, Showalter variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b6c1b2 @ Evans gambit declined, Cordel variation; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. Bb2
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4d7d5 @ Evans counter-gambit; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 d5
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4 @ Evans gambit; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6 @ Evans gambit; normal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6d4d5c6a5c1b2 @ Evans gambit; Ulvestad variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6d4d5c6a5c1b2g8e7 @ Evans gambit; Paulsen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3 @ Evans gambit; Morphy attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3c6a5c1g5 @ Evans gambit; Goering attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3c6a5c1g5f7f6g5e3 @ Evans gambit; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 f6 11. Be3
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3c8g4 @ Evans gambit; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3c8g4d1a4 @ Evans gambit; Fraser attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4c5d2d4e5d4e1g1d7d6c3d4c5b6b1c3c8g4d1a4g4d7a4b3c6a5c4f7e8f8b3c2 @ Evans gambit; Fraser-Mortimer attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 Bd7 11. Qb3 Na5 12. Bxf7+ Kf8 13. Qc2
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4d6 @ Evans gambit; Stone-Ware variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd6
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4f8 @ Evans gambit; Mayet defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bf8
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4e7 @ Evans gambit; 5...Be7 @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7
C51: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4e7d2d4c6a5 @ Evans gambit; Cordel variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5 @ Evans gambit; Cordel variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4e5d4e1g1d4c3 @ Evans gambit; compromised defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4e5d4e1g1d4c3d1b3d8f6e4e5f6g6b1c3g8e7c1a3 @ Evans gambit; compromised defence, Paulsen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4e5d4e1g1d4c3d1b3d8f6e4e5f6g6b1c3g8e7f1d1 @ Evans gambit; compromised defence, Potter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Rd1
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4b7b5 @ Evans gambit; Leonhardt variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 b5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4d7d6 @ Evans gambit; Leonhardt variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4d7d6d1b3 @ Evans gambit; Tartakower attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4d7d6d1b3d8d7d4e5d6e5e1g1a5b6c1a3c6a5f3e5 @ Evans gambit; Levenfish variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 dxe5 9. O-O Bb6 10. Ba3 Na5 11. Nxe5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5d2d4d7d6c1g5 @ Evans gambit; Sokolsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Bg5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1 @ Evans gambit; Sokolsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1g8f6d2d4e8g8f3e5 @ Evans gambit; Richardson attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 O-O 8. Nxe5
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1d7d6 @ Evans gambit; Richardson attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1d7d6d2d4e5d4d1b3 @ Evans gambit; Waller attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 exd4 8. Qb3
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1d7d6d2d4a5b6 @ Evans gambit; Lasker defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bb6
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1d7d6d2d4c8d7 @ Evans gambit; Sanders-Alapin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bd7
C52: e2e4e7e5g1f3b8c6f1c4f8c5b2b4c5b4c2c3b4a5e1g1d7d6d2d4c8g4 @ Evans gambit; Alapin-Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bg4
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3 @ Giuoco Piano; Alapin-Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d7d6d2d4e5d4c3d4c5b6 @ Giuoco Piano; LaBourdonnais variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d8e7 @ Giuoco Piano; close variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d8e7d2d4c5b6 @ Giuoco Piano; centre-hOlding variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d8e7d2d4c5b6e1g1g8f6a2a4a7a6f1e1d7d6h2h3 @ Giuoco Piano; Tarrasch variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. O-O Nf6 7. a4 a6 8. Re1 d6 9. h3
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d8e7d2d4c5b6c1g5 @ Giuoco Piano; Mestel variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. Bg5
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3d8e7d2d4c5b6d4d5c6b8d5d6 @ Giuoco Piano; Eisinger variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. d5 Nb8 7. d6
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6 @ Giuoco Piano; Eisinger variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6b2b4 @ Giuoco Piano; Bird's attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4 @ Giuoco Piano; Bird's attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4e4e5f6e4c4d5e4f2e1f2d4c3f2g3 @ Giuoco Piano; Ghulam Kassim variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 Nxf2 8. Kxf2 dxc3+ 9. Kg3
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4e4e5d7d5 @ Giuoco Piano; Ghulam Kassim variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5
C53: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4e4e5d7d5c4b5f6e4c3d4c5b4 @ Giuoco Piano; Anderssen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4 @ Giuoco Piano; Anderssen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4c1d2f6e4d2b4c6b4c4f7e8f7d1b3d7d5f3e5f7f6f2f3 @ Giuoco Piano; Krause variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Ne5+ Kf6 12. f3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4e1f1 @ Giuoco Piano; Cracow variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Kf1
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3 @ Giuoco Piano; Greco's attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1e4c3 @ Giuoco Piano; Greco variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1e4c3b2c3b4c3d1b3d7d5 @ Giuoco Piano; Bernstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Qb3 d5
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1e4c3b2c3b4c3c1a3 @ Giuoco Piano; Aitken variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Ba3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1b4c3 @ Giuoco Piano; Aitken variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1b4c3b2c3d7d5c1a3 @ Giuoco Piano; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. bxc3 d5 10. Ba3
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1b4c3d4d5 @ Giuoco Piano; Moeller (Therkatz) attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1b4c3d4d5c3f6f1e1c6e7e1e4d7d6c1g5f6g5f3g5e8g8g5h7 @ Giuoco Piano; Therkatz-Herzog variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 O-O 14. Nxh7
C54: e2e4e7e5g1f3b8c6f1c4f8c5c2c3g8f6d2d4e5d4c3d4c5b4b1c3f6e4e1g1b4c3d4d5c3f6f1e1c6e7e1e4d7d6g2g4 @ Giuoco Piano; Moeller, bayonet attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. g4
C55: e2e4e7e5g1f3b8c6f1c4g8f6 @ Two knights defence; Moeller, bayonet attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
C55: e2e4e7e5g1f3b8c6f1c4g8f6e1g1f8c5d2d4c5d4f3d4c6d4c1g5h7h6g5h4g7g5f2f4 @ Giuoco piano; Rosentreter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 g5 9. f4
C55: e2e4e7e5g1f3b8c6f1c4g8f6e1g1f8c5d2d4c5d4f3d4c6d4c1g5d7d6 @ Giuoco piano; Rosentreter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6
C55: e2e4e7e5g1f3b8c6f1c4g8f6e1g1f8c5d2d4c5d4f3d4c6d4c1g5d7d6f2f4d8e7f4e5d6e5b1c3 @ Giuoco piano; Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 8. f4 Qe7 9. fxe5 dxe5 10. Nc3
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d3 @ Two knights defence (Modern Bishop's Opening); Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4 @ Two knights defence; Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e4e5d7d5c4b5f6e4f3d4f8c5d4c6c5f2e1f1d8h4 @ Two knights defence, Keidanz variation; Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4f3g5 @ Two knights defence, Perreux variation; Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Ng5
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1 @ Two knights defence; Holzhausen attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5 @ Two knights; Max Lange attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5d7d5e5f6d5c4f1e1c8e6f3g5d8d5b1c3d5f5g2g4f5g6c3e4c5b6f2f4e8c8 @ Two knights; Max Lange attack, Berger variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5d7d5e5f6d5c4f1e1c8e6f3g5d8d5b1c3d5f5c3e4 @ Two knights; Max Lange attack, Marshall variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5d7d5e5f6d5c4f1e1c8e6f3g5d8d5b1c3d5f5c3e4c5f8 @ Two knights; Max Lange attack, Rubinstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bf8
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5d7d5e5f6d5c4f1e1c8e6f3g5g7g6 @ Two knights; Max Lange attack, Loman defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 g6
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5d7d5e5f6d5c4f1e1c8e6f6g7 @ Two knights; Max Lange attack, Schlechter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. fxg7
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5f6g4 @ Two knights; Max Lange attack, Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4
C55: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f8c5e4e5f6g4c2c3 @ Two knights; Max Lange attack, Krause variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4 7. c3
C56: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f6e4 @ Two knights defence; Max Lange attack, Krause variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4
C56: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f6e4f1e1d7d5c4d5d8d5b1c3d5a5c3e4c8e6c1g5h7h6g5h4g7g5e4f6e8e7b2b4 @ Two knights defence; Yurdansky attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4
C56: e2e4e7e5g1f3b8c6f1c4g8f6d2d4e5d4e1g1f6e4f1e1d7d5b1c3 @ Two knights defence; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Nc3
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5 @ Two knights defence; Canal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5f8c5 @ Two knights defence; Wilkes Barre (Traxler) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5b7b5 @ Two knights defence; Ulvestad variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6d4 @ Two knights defence; Fritz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6d4c2c3b7b5c4f1f6d5g5e4 @ Two knights defence; Fritz, Gruber variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5f6d5d2d4 @ Two knights defence; Lolli attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5f6d5d2d4f8b4 @ Two knights defence; Pincus variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5f6d5g5f7 @ Two knights defence; Fegatello attack @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5f6d5g5f7e8f7d1f3f7e6b1c3d5b4f3e4c7c6a2a3b4a6d2d4a6c7 @ Two knights defence; Fegatello attack, Leonhardt variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7
C57: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5f6d5g5f7e8f7d1f3f7e6b1c3d5e7 @ Two knights defence; Fegatello attack, Polerio defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ne7
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5 @ Two knights defence; Fegatello attack, Polerio defence @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5d2d3 @ Two knights defence; Kieseritsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5d2d3h7h6g5f3e5e4d1e2a5c4d3c4f8c5f3d2 @ Two knights defence; Yankovich variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10. Nfd2
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5d2d3h7h6g5f3e5e4d1e2a5c4d3c4f8e7 @ Two knights defence; Maroczy variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Be7
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5 @ Two knights defence; Maroczy variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6d1f3 @ Two knights defence; Bogolyubov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6d1f3d8c7b5d3 @ Two knights defence; Paoli variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6d1f3a8b8 @ Two knights defence; Colman variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6d1f3c6b5 @ Two knights defence; Blackburne variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb5
C58: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6b5e2 @ Two knights defence; Blackburne variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2
C59: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6b5e2h7h6 @ Two knights defence; Blackburne variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6
C59: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6b5e2h7h6g5f3e5e4f3e5f8d6d2d4d8c7c1d2 @ Two knights defence; Knorre variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 Qc7 12. Bd2
C59: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6b5e2h7h6g5f3e5e4f3e5d8c7 @ Two knights defence; Goering variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Qc7
C59: e2e4e7e5g1f3b8c6f1c4g8f6f3g5d7d5e4d5c6a5c4b5c7c6d5c6b7c6b5e2h7h6g5h3 @ Two knights defence; Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3
C60: e2e4e7e5g1f3b8c6f1b5 @ Ruy Lopez (Spanish Opening); Steinitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5
C60: e2e4e7e5g1f3b8c6f1b5f7f6 @ Ruy Lopez; Nuernberg variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6
C60: e2e4e7e5g1f3b8c6f1b5c6a5 @ Ruy Lopez; Pollock defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Na5
C60: e2e4e7e5g1f3b8c6f1b5f8e7 @ Ruy Lopez; Lucena defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Be7
C60: e2e4e7e5g1f3b8c6f1b5d8e7 @ Ruy Lopez; Vinogradov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Qe7
C60: e2e4e7e5g1f3b8c6f1b5g7g5 @ Ruy Lopez; Brentano defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 g5
C60: e2e4e7e5g1f3b8c6f1b5g7g6 @ Ruy Lopez; Fianchetto (Smyslov/Barnes) defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6
C60: e2e4e7e5g1f3b8c6f1b5g8e7 @ Ruy Lopez; Cozio defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7
C60: e2e4e7e5g1f3b8c6f1b5g8e7b1c3g7g6 @ Ruy Lopez; Cozio defence, Paulsen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6
C61: e2e4e7e5g1f3b8c6f1b5c6d4 @ Ruy Lopez; Bird's defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4
C61: e2e4e7e5g1f3b8c6f1b5c6d4f3d4e5d4e1g1g8e7 @ Ruy Lopez; Bird's defence, Paulsen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7
C62: e2e4e7e5g1f3b8c6f1b5d7d6 @ Ruy Lopez; Old Steinitz defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6
C62: e2e4e7e5g1f3b8c6f1b5d7d6d2d4c8d7b1c3g8f6b5c6 @ Ruy Lopez; Old Steinitz defence, Nimzovich attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. Bxc6
C62: e2e4e7e5g1f3b8c6f1b5d7d6d2d4c8d7c2c4 @ Ruy Lopez; Old Steinitz defence, Semi-Duras variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4
C63: e2e4e7e5g1f3b8c6f1b5f7f5 @ Ruy Lopez; Schliemann defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5
C63: e2e4e7e5g1f3b8c6f1b5f7f5b1c3 @ Ruy Lopez; Schliemann defence, Berger variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3
C64: e2e4e7e5g1f3b8c6f1b5f8c5 @ Ruy Lopez; Classical (Cordel) defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5
C64: e2e4e7e5g1f3b8c6f1b5f8c5e1g1c6d4b2b4 @ Ruy Lopez; Classical defence, Zaitsev variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. b4
C64: e2e4e7e5g1f3b8c6f1b5f8c5c2c3 @ Ruy Lopez; Classical defence, 4.c3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3
C64: e2e4e7e5g1f3b8c6f1b5f8c5c2c3g8f6e1g1e8g8d2d4c5b6 @ Ruy Lopez; Classical defence, Benelux variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. O-O O-O 6. d4 Bb6
C64: e2e4e7e5g1f3b8c6f1b5f8c5c2c3c5b6 @ Ruy Lopez; Classical defence, Charousek variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6
C64: e2e4e7e5g1f3b8c6f1b5f8c5c2c3d8e7 @ Ruy Lopez; Classical defence, Boden variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7
C64: e2e4e7e5g1f3b8c6f1b5f8c5c2c3f7f5 @ Ruy Lopez; Cordel gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5
C65: e2e4e7e5g1f3b8c6f1b5g8f6 @ Ruy Lopez; Berlin defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d4e5d4e1g1 @ Ruy Lopez; Berlin defence, Nyholm attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d3c6e7 @ Ruy Lopez; Berlin defence, Mortimer variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d3c6e7f3e5c7c6 @ Ruy Lopez; Berlin defence, Mortimer trap @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d3d7d6b5c6 @ Ruy Lopez; Berlin defence, Anderssen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d3d7d6c2c4 @ Ruy Lopez; Berlin defence, Duras variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4
C65: e2e4e7e5g1f3b8c6f1b5g8f6d2d3f8c5c1e3 @ Ruy Lopez; Berlin defence, Kaufmann variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3
C65: e2e4e7e5g1f3b8c6f1b5g8f6e1g1 @ Ruy Lopez; Berlin defence, 4.O-O @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O
C65: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f8c5 @ Ruy Lopez; Berlin defence, Beverwijk variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6 @ Ruy Lopez; Berlin defence, 4.O-O, d6 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4c8d7b1c3f8e7 @ Ruy Lopez; Berlin defence, hedgehog variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4c8d7b1c3f8e7f1e1e8g8 @ Ruy Lopez; Berlin defence, Tarrasch trap @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Re1 O-O
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4c8d7b1c3f8e7c1g5 @ Ruy Lopez; Closed Berlin defence, Bernstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4c8d7b1c3f8e7b5c6 @ Ruy Lopez; Closed Berlin defence, Showalter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4c8d7b1c3e5d4 @ Ruy Lopez; Closed Berlin defence, Wolf variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4
C66: e2e4e7e5g1f3b8c6f1b5g8f6e1g1d7d6d2d4f6d7 @ Ruy Lopez; Closed Berlin defence, Chigorin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4 @ Ruy Lopez; Berlin defence, Open variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4e4d6d4e5 @ Ruy Lopez; Open Berlin defence, l'Hermet variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4e4d6b5a4 @ Ruy Lopez; Open Berlin defence, Showalter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7 @ Ruy Lopez; Open Berlin defence, 5...Be7 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2e4d6b5c6d7c6d4e5d6b7b1c3e8g8f1e1b7c5f3d4c5e6c1e3e6d4e3d4c6c5 @ Ruy Lopez; Berlin defence, Rio de Janeiro variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2e4d6b5c6d7c6d4e5d6b7c2c4 @ Ruy Lopez; Berlin defence, Zukertort variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2e4d6b5c6d7c6d4e5d6b7b2b3 @ Ruy Lopez; Berlin defence, Pillsbury variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2e4d6b5c6d7c6d4e5d6b7f3d4 @ Ruy Lopez; Berlin defence, Winawer attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2e4d6b5c6d7c6d4e5d6f5 @ Ruy Lopez; Berlin defence, Cordel variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d1e2d7d5 @ Ruy Lopez; Berlin defence, Trifunovic variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4f8e7d4e5 @ Ruy Lopez; Berlin defence, Minckwitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5
C67: e2e4e7e5g1f3b8c6f1b5g8f6e1g1f6e4d2d4a7a6 @ Ruy Lopez; Berlin defence, Rosenthal variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6
C68: e2e4e7e5g1f3b8c6f1b5a7a6b5c6 @ Ruy Lopez; Exchange variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6
C68: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6d2d4e5d4d1d4d8d4f3d4c8d7 @ Ruy Lopez; Exchange, Alekhine variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7
C68: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6b1c3 @ Ruy Lopez; Exchange, Keres variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3
C68: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6b1c3f7f6d2d3 @ Ruy Lopez; Exchange, Romanovsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3
C69: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6e1g1 @ Ruy Lopez; Exchange variation, 5.O-O @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O
C69: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6e1g1c8g4h2h3h7h5 @ Ruy Lopez; Exchange variation, Alapin gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5
C69: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6e1g1f7f6 @ Ruy Lopez; Exchange, Gligoric variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6
C69: e2e4e7e5g1f3b8c6f1b5a7a6b5c6d7c6e1g1d8d6 @ Ruy Lopez; Exchange, Bronstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4 @ Ruy Lopez; Exchange, Bronstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g7g6 @ Ruy Lopez; Fianchetto defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8e7 @ Ruy Lopez; Cozio defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4c6d4 @ Ruy Lopez; Bird's defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4f8b4 @ Ruy Lopez; Alapin's defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4f8c5 @ Ruy Lopez; Classical defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4b7b5 @ Ruy Lopez; Caro variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4b7b5a4b3f8c5 @ Ruy Lopez; Graz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4b7b5a4b3c6a5 @ Ruy Lopez; Taimanov (chase/wing/Accelerated counterthrust) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5
C70: e2e4e7e5g1f3b8c6f1b5a7a6b5a4f7f5 @ Ruy Lopez; Schliemann defence deferred @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5
C71: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6 @ Ruy Lopez; Modern Steinitz defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6
C71: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6d2d4b7b5a4b3c6d4f3d4e5d4d1d4c7c5 @ Ruy Lopez; Noah's ark trap @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Qxd4 c5
C71: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6b1c3 @ Ruy Lopez; Modern Steinitz defence, Three knights variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3
C71: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c4 @ Ruy Lopez; Modern Steinitz defence, Duras (Keres) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4
C72: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6e1g1 @ Ruy Lopez; Modern Steinitz defence, 5.O-O @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O
C73: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6a4c6b7c6d2d4 @ Ruy Lopez; Modern Steinitz defence, Richter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4
C73: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6a4c6b7c6d2d4f7f6 @ Ruy Lopez; Modern Steinitz defence, Alapin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6
C74: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3 @ Ruy Lopez; Modern Steinitz defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3
C74: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3f7f5 @ Ruy Lopez; Modern Steinitz defence, siesta variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5
C74: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3f7f5e4f5c8f5e1g1 @ Ruy Lopez; Siesta, Kopayev variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. O-O
C75: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3c8d7 @ Ruy Lopez; Modern Steinitz defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7
C75: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3c8d7d2d4g8e7 @ Ruy Lopez; Modern Steinitz defence, Rubinstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7
C76: e2e4e7e5g1f3b8c6f1b5a7a6b5a4d7d6c2c3c8d7d2d4g7g6 @ Ruy Lopez; Modern Steinitz defence, Fianchetto (Bronstein) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6 @ Ruy Lopez; Morphy defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6b1c3 @ Ruy Lopez; Four knights (Tarrá3ððð variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6a4c6 @ Ruy Lopez; Treybal (Bayreuth) variation (Exchange var. deferred) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6d1e2 @ Ruy Lopez; Wormald (Alapin) attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6d1e2b7b5a4b3f8e7d2d4d7d6c2c3c8g4 @ Ruy Lopez; Wormald attack, Gruenfeld variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6d2d3 @ Ruy Lopez; Anderssen variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3
C77: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6d2d3d7d6c2c4 @ Ruy Lopez; Morphy defence, Duras variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1 @ Ruy Lopez; 5.O-O @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1b7b5a4b3f8e7a2a4 @ Ruy Lopez; Wing attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. a4
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1b7b5a4b3d7d6 @ Ruy Lopez; ...b5 & ...d6 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1b7b5a4b3d7d6f3g5d6d5e4d5c6d4f1e1f8c5e1e5e8f8 @ Ruy Lopez; Rabinovich variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bc5 10. Rxe5+ Kf8
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1b7b5a4b3c8b7 @ Ruy Lopez; Archangelsk (counterthrust) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7
C78: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8c5 @ Ruy Lopez; Moeller defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5
C79: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1d7d6 @ Ruy Lopez; Steinitz defence deferred (Russian defence) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6
C79: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1d7d6a4c6b7c6d2d4c8g4 @ Ruy Lopez; Steinitz defence deferred, Lipnitsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4
C79: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1d7d6a4c6b7c6d2d4f6e4 @ Ruy Lopez; Steinitz defence deferred, Rubinstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4
C79: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1d7d6a4c6b7c6d2d4f6e4f1e1f7f5d4e5d6d5b1c3 @ Ruy Lopez; Steinitz defence deferred, Boleslavsky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nc3
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4 @ Ruy Lopez; Open (Tarrasch) defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d1e2 @ Ruy Lopez; Open, Tartakower variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Qe2
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4b1c3 @ Ruy Lopez; Open, Knorre variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Nc3
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4 @ Ruy Lopez; Open, 6.d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4e5d4 @ Ruy Lopez; Open, Riga variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5 @ Ruy Lopez; Open, 6.d4 b5 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5f3e5 @ Ruy Lopez; Open, Friess attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5d4d5 @ Ruy Lopez; Open, Richter variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. d5
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3 @ Ruy Lopez; Open, 7.Bb3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5a2a4c6d4 @ Ruy Lopez; Open, Schlechter defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5a2a4c6d4f3d4e5d4b1c3 @ Ruy Lopez; Open, Berger variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5c2c4 @ Ruy Lopez; Open, Harksen gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. c4
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5 @ Ruy Lopez; Open, 8.de @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c6e7 @ Ruy Lopez; Open, Zukertort variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Ne7
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6 @ Ruy Lopez; Open, 8...Be6 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6b1d2 @ Ruy Lopez; Open, Bernstein variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2
C80: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6b1d2e4c5c2c3d5d4f3g5 @ Ruy Lopez; Open, Bernstein variation, Karpov gambit @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Ng5
C81: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6d1e2 @ Ruy Lopez; Open, Howell attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2
C81: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6d1e2f8e7f1d1e8g8c2c4d5c4b3c4d8d7 @ Ruy Lopez; Open, Howell attack, Ekstroem variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Qd7
C81: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6d1e2f8e7c2c4 @ Ruy Lopez; Open, Howell attack, Adam variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. c4
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3 @ Ruy Lopez; Open, 9.c3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3e4c5 @ Ruy Lopez; Open, Berlin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8c5 @ Ruy Lopez; Open, Italian variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8c5b1d2 @ Ruy Lopez; Open, St. Petersburg variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8c5b1d2e8g8b3c2e4f2 @ Ruy Lopez; Open, Dilworth variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8c5d1d3 @ Ruy Lopez; Open, Motzko attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3
C82: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8c5d1d3c6e7 @ Ruy Lopez; Open, Motzko attack, Nenarokov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 Ne7
C83: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8e7 @ Ruy Lopez; Open, Classical defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7
C83: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8e7b1d2e8g8d1e2 @ Ruy Lopez; Open, Malkin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Qe2
C83: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8e7f1e1 @ Ruy Lopez; Open, 9...Be7, 10.Re1 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1
C83: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8e7f1e1e8g8f3d4d8d7d4e6f7e6e1e4 @ Ruy Lopez; Open, Tarrasch trap @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4
C83: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f6e4d2d4b7b5a4b3d7d5d4e5c8e6c2c3f8e7f1e1e8g8f3d4c6e5 @ Ruy Lopez; Open, Breslau variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Nxe5
C84: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7 @ Ruy Lopez; Closed defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7
C84: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7d2d4 @ Ruy Lopez; Closed, centre attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4
C84: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7d2d4e5d4e4e5f6e4c2c3 @ Ruy Lopez; Closed, Basque gambit (North Spanish variation) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3
C85: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7a4c6 @ Ruy Lopez; Exchange variation doubly deferred (DERLD) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6
C86: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7d1e2 @ Ruy Lopez; Worrall attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2
C86: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7d1e2b7b5a4b3e8g8 @ Ruy Lopez; Worrall attack, sharp line @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O
C86: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7d1e2b7b5a4b3d7d6 @ Ruy Lopez; Worrall attack, solid line @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6
C87: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1d7d6 @ Ruy Lopez; Closed, Averbach variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3 @ Ruy Lopez; Closed @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3d7d6c2c3c6a5b3c2c7c5d2d4d8c7h2h3a5c6d4d5c6b8b1d2g7g5 @ Ruy Lopez; Closed, Leonhardt variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 Nc6 12. d5 Nb8 13. Nbd2 g5
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3d7d6c2c3c6a5b3c2c7c5d2d4d8c7a2a4 @ Ruy Lopez; Closed, Balla variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3d7d6d2d4 @ Ruy Lopez; Closed, 7...d6, 8.d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3d7d6d2d4c6d4f3d4e5d4d1d4c7c5 @ Ruy Lopez; Noah's ark trap @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 c5
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3c8b7 @ Ruy Lopez; Trajkovic counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8 @ Ruy Lopez; Closed, 7...O-O @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8a2a4 @ Ruy Lopez; Closed, anti-Marshall 8.a4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4
C88: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3 @ Ruy Lopez; Closed, 8.c3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5 @ Ruy Lopez; Marshall counter-attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5f6d5f3e5c6e5e1e5c7c6 @ Ruy Lopez; Marshall counter-attack, 11...c6 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5f6d5f3e5c6e5e1e5c7c6b3d5c6d5d2d4e7d6e5e3 @ Ruy Lopez; Marshall, Kevitz variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re3
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5f6d5f3e5c6e5e1e5c7c6d2d4 @ Ruy Lopez; Marshall, Main line, 12.d2d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5f6d5f3e5c6e5e1e5c7c6d2d4e7d6e5e1d8h4g2g3h4h3 @ Ruy Lopez; Marshall, Main line, 14...Qh3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5f6d5f3e5c6e5e1e5c7c6d2d4e7d6e5e1d8h4g2g3h4h3c1e3c8g4d1d3a8e8b1d2e8e6a2a4h3h5 @ Ruy Lopez; Marshall, Main line, Spassky variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5
C89: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d5e4d5e5e4 @ Ruy Lopez; Marshall, Herman Steiner variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4
C90: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6 @ Ruy Lopez; Closed (with ...d6) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6
C90: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6d2d3 @ Ruy Lopez; Closed, Pilnik variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d3
C90: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6b3c2 @ Ruy Lopez; Closed, Lutikov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. Bc2
C90: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6a2a3 @ Ruy Lopez; Closed, Suetin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. a3
C91: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6d2d4 @ Ruy Lopez; Closed, 9.d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4
C91: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6d2d4c8g4 @ Ruy Lopez; Closed, Bogolyubov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4
C92: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3 @ Ruy Lopez; Closed, 9.h3 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3
C92: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3a6a5 @ Ruy Lopez; Closed, Keres (9...a5) variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 a5
C92: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c8e6 @ Ruy Lopez; Closed, Kholmov variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Be6
C92: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3f6d7 @ Ruy Lopez; Closed, Ragozin-Petrosian (`Keres') variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7
C92: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c8b7 @ Ruy Lopez; Closed, Flohr-Zaitsev system (Lenzerheide variation) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7
C93: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3h7h6 @ Ruy Lopez; Closed, Smyslov defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6
C94: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6b8 @ Ruy Lopez; Closed, Breyer defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8
C95: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6b8d2d4 @ Ruy Lopez; Closed, Breyer, 10.d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4
C95: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6b8d2d4b8d7 @ Ruy Lopez; Closed, Breyer, Borisenko variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7
C95: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6b8d2d4b8d7b1d2c8b7b3c2c7c5 @ Ruy Lopez; Closed, Breyer, Gligoric variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5
C95: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6b8d2d4b8d7f3h4 @ Ruy Lopez; Closed, Breyer, Simagin variation @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nh4
C96: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2 @ Ruy Lopez; Closed (8...Na5) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2
C96: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c6d2d4d8c7 @ Ruy Lopez; Closed, Rossolimo defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c6 11. d4 Qc7
C96: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5 @ Ruy Lopez; Closed (10...c5) @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5
C96: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4a5c6 @ Ruy Lopez; Closed, Borisenko defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nc6
C96: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4f6d7 @ Ruy Lopez; Closed, Keres (...Nd7) defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nd7
C97: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4d8c7 @ Ruy Lopez; Closed, Chigorin defence @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7
C97: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4d8c7b1d2c8d7d2f1f8e8f1e3g7g6 @ Ruy Lopez; Closed, Chigorin, Yugoslav system @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6
C98: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4d8c7b1d2a5c6 @ Ruy Lopez; Closed, Chigorin, 12...Nc6 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6
C98: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4d8c7b1d2a5c6d4c5 @ Ruy Lopez; Closed, Chigorin, Rauzer attack @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5
C99: e2e4e7e5g1f3b8c6f1b5a7a6b5a4g8f6e1g1f8e7f1e1b7b5a4b3e8g8c2c3d7d6h2h3c6a5b3c2c7c5d2d4d8c7b1d2e5d4c3d4 @ Ruy Lopez; Closed, Chigorin, 12...c5d4 @ 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4
D00: d2d4d7d5 @ Queen's pawn game; Closed, Chigorin, 12...c5d4 @ 1. d4 d5
D00: d2d4d7d5c1f4 @ Queen's pawn, Mason variation; Closed, Chigorin, 12...c5d4 @ 1. d4 d5 2. Bf4
D00: d2d4d7d5c1f4c7c5 @ Queen's pawn, Mason variation, Steinitz counter-gambit; Closed, Chigorin, 12...c5d4 @ 1. d4 d5 2. Bf4 c5
D00: d2d4d7d5c1g5 @ Levitsky attack (Queen's Bishop attack); Closed, Chigorin, 12...c5d4 @ 1. d4 d5 2. Bg5
D00: d2d4d7d5e2e4 @ Blackmar gambit; Closed, Chigorin, 12...c5d4 @ 1. d4 d5 2. e4
D00: d2d4d7d5e2e3g8f6f1d3 @ Queen's pawn; Stonewall attack @ 1. d4 d5 2. e3 Nf6 3. Bd3
D00: d2d4d7d5b1c3 @ Queen's pawn; Chigorin variation @ 1. d4 d5 2. Nc3
D00: d2d4d7d5b1c3c8g4 @ Queen's pawn; Anti-Veresov @ 1. d4 d5 2. Nc3 Bg4
D00: d2d4d7d5b1c3g8f6e2e4 @ Blackmar-Diemer gambit; Anti-Veresov @ 1. d4 d5 2. Nc3 Nf6 3. e4
D00: d2d4d7d5b1c3g8f6e2e4d5e4f2f3e4f3g1f3e7e6 @ Blackmar-Diemer; Euwe defence @ 1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. f3 exf3 5. Nxf3 e6
D00: d2d4d7d5b1c3g8f6e2e4e7e5 @ Blackmar-Diemer; Lemberg counter-gambit @ 1. d4 d5 2. Nc3 Nf6 3. e4 e5
D01: d2d4d7d5b1c3g8f6c1g5 @ Richter-Veresov attack; Lemberg counter-gambit @ 1. d4 d5 2. Nc3 Nf6 3. Bg5
D01: d2d4d7d5b1c3g8f6c1g5c8f5g5f6 @ Richter-Veresov attack, Veresov variation; Lemberg counter-gambit @ 1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. Bxf6
D01: d2d4d7d5b1c3g8f6c1g5c8f5f2f3 @ Richter-Veresov attack, Richter variation; Lemberg counter-gambit @ 1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. f3
D02: d2d4d7d5g1f3 @ Queen's pawn game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3
D02: d2d4d7d5g1f3b8c6 @ Queen's pawn game, Chigorin variation; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nc6
D02: d2d4d7d5g1f3c7c5 @ Queen's pawn game, Krause variation; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 c5
D02: d2d4d7d5g1f3g8f6 @ Queen's pawn game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6
D02: d2d4d7d5g1f3g8f6c1f4 @ Queen's Bishop game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. Bf4
D03: d2d4d7d5g1f3g8f6c1g5 @ Torre attack (Tartakower variation); Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. Bg5
D04: d2d4d7d5g1f3g8f6e2e3 @ Queen's pawn game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3
D05: d2d4d7d5g1f3g8f6e2e3e7e6 @ Queen's pawn game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3 e6
D05: d2d4d7d5g1f3g8f6e2e3e7e6b1d2c7c5b2b3 @ Queen's pawn game, Zukertort variation; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 c5 5. b3
D05: d2d4d7d5g1f3g8f6e2e3e7e6f1d3 @ Queen's pawn game; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3
D05: d2d4d7d5g1f3g8f6e2e3e7e6f1d3c7c5b2b3 @ Queen's pawn game, Rubinstein (Colle-Zukertort) variation; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3
D05: d2d4d7d5g1f3g8f6e2e3e7e6f1d3c7c5c2c3 @ Colle system; Lemberg counter-gambit @ 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3
D06: d2d4d7d5c2c4 @ Queen's Gambit; Lemberg counter-gambit @ 1. d4 d5 2. c4
D06: d2d4d7d5c2c4c8f5 @ QGD; Grau (Sahovic) defence @ 1. d4 d5 2. c4 Bf5
D06: d2d4d7d5c2c4g8f6 @ QGD; Marshall defence @ 1. d4 d5 2. c4 Nf6
D06: d2d4d7d5c2c4c7c5 @ QGD; Symmetrical (Austrian) defence @ 1. d4 d5 2. c4 c5
D07: d2d4d7d5c2c4b8c6 @ QGD; Chigorin defence @ 1. d4 d5 2. c4 Nc6
D07: d2d4d7d5c2c4b8c6b1c3d5c4g1f3 @ QGD; Chigorin defence, Janowski variation @ 1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3
D08: d2d4d7d5c2c4e7e5 @ QGD; Albin counter-gambit @ 1. d4 d5 2. c4 e5
D08: d2d4d7d5c2c4e7e5d4e5d5d4e2e3f8b4c1d2d4e3 @ QGD; Albin counter-gambit, Lasker trap @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3
D08: d2d4d7d5c2c4e7e5d4e5d5d4g1f3 @ QGD; Albin counter-gambit @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3
D08: d2d4d7d5c2c4e7e5d4e5d5d4g1f3b8c6b1d2 @ QGD; Albin counter-gambit, Alapin variation @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2
D08: d2d4d7d5c2c4e7e5d4e5d5d4g1f3b8c6b1d2c8g4h2h3g4f3d2f3f8b4c1d2d8e7 @ QGD; Albin counter-gambit, Krenosz variation @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 Bb4+ 8. Bd2 Qe7
D08: d2d4d7d5c2c4e7e5d4e5d5d4g1f3b8c6b1d2f7f6 @ QGD; Albin counter-gambit, Janowski variation @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 f6
D08: d2d4d7d5c2c4e7e5d4e5d5d4g1f3b8c6b1d2d8e7 @ QGD; Albin counter-gambit, Balogh variation @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Qe7
D09: d2d4d7d5c2c4e7e5d4e5d5d4g1f3b8c6g2g3 @ QGD; Albin counter-gambit, 5.g3 @ 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3
D10: d2d4d7d5c2c4c7c6 @ QGD Slav defence; Albin counter-gambit, 5.g3 @ 1. d4 d5 2. c4 c6
D10: d2d4d7d5c2c4c7c6b1c3d5c4e2e4 @ QGD Slav defence, Alekhine variation; Albin counter-gambit, 5.g3 @ 1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4
D10: d2d4d7d5c2c4c7c6b1c3e7e5 @ QGD Slav; Winawer counter-gambit @ 1. d4 d5 2. c4 c6 3. Nc3 e5
D10: d2d4d7d5c2c4c7c6c4d5 @ QGD Slav defence; Exchange variation @ 1. d4 d5 2. c4 c6 3. cxd5
D11: d2d4d7d5c2c4c7c6g1f3 @ QGD Slav; 3.Nf3 @ 1. d4 d5 2. c4 c6 3. Nf3
D11: d2d4d7d5c2c4c7c6g1f3g8f6b1d2 @ QGD Slav; Breyer variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2
D11: d2d4d7d5c2c4c7c6g1f3g8f6e2e3 @ QGD Slav; 4.e3 @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3
D12: d2d4d7d5c2c4c7c6g1f3g8f6e2e3c8f5 @ QGD Slav; 4.e3 Bf5 @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5
D12: d2d4d7d5c2c4c7c6g1f3g8f6e2e3c8f5c4d5c6d5d1b3d8c8c1d2e7e6b1a3 @ QGD Slav; Landau variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qc8 7. Bd2 e6 8. Na3
D12: d2d4d7d5c2c4c7c6g1f3g8f6e2e3c8f5c4d5c6d5b1c3 @ QGD Slav; Exchange variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3
D12: d2d4d7d5c2c4c7c6g1f3g8f6e2e3c8f5c4d5c6d5b1c3e7e6f3e5f6d7 @ QGD Slav; Amsterdam variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3 e6 7. Ne5 Nfd7
D13: d2d4d7d5c2c4c7c6g1f3g8f6c4d5c6d5 @ QGD Slav; Exchange variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5
D14: d2d4d7d5c2c4c7c6g1f3g8f6c4d5c6d5b1c3b8c6c1f4c8f5 @ QGD Slav; Exchange variation, 6.Bf4 Bf5 @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5
D14: d2d4d7d5c2c4c7c6g1f3g8f6c4d5c6d5b1c3b8c6c1f4c8f5e2e3e7e6d1b3f8b4 @ QGD Slav; Exchange, Trifunovic variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3 @ QGD Slav; 4.Nc3 @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d8b6 @ QGD Slav; Suechting variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Qb6
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3g7g6 @ QGD Slav; Schlechter variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4 @ QGD Slav accepted; Schlechter variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4e2e3 @ QGD Slav; 5.e3 (Alekhine variation) @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4e2e4 @ QGD Slav; Slav gambit @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4
D15: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4e2e4b7b5e4e5 @ QGD Slav; Tolush-Geller gambit @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5
D16: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4 @ QGD Slav accepted; Alapin variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4
D16: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4b8a6e2e4c8g4 @ QGD Slav; Smyslov variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4
D16: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4e7e6 @ QGD Slav; Soultanbeieff variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6
D16: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8g4 @ QGD Slav; Steiner variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4
D17: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5 @ QGD Slav; Czech defence @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5
D17: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5f3e5 @ QGD Slav; Krause attack @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5
D17: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5f3e5b8d7e5c4d8c7g2g3e7e5 @ QGD Slav; Carlsbad variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5
D17: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5f3e5e7e6 @ QGD Slav; Wiesbaden variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6
D18: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5e2e3 @ QGD Slav; Dutch variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3
D18: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5e2e3b8a6 @ QGD Slav; Dutch, Lasker variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6
D19: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5e2e3e7e6f1c4f8b4e1g1 @ QGD Slav; Dutch variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
D19: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5e2e3e7e6f1c4f8b4e1g1e8g8d1e2 @ QGD Slav; Dutch variation, Main line @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2
D19: d2d4d7d5c2c4c7c6g1f3g8f6b1c3d5c4a2a4c8f5e2e3e7e6f1c4f8b4e1g1e8g8d1e2f6e4g2g4 @ QGD Slav; Dutch, Saemisch variation @ 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4
D20: d2d4d7d5c2c4d5c4 @ Queen's gambit accepted; Dutch, Saemisch variation @ 1. d4 d5 2. c4 dxc4
D20: d2d4d7d5c2c4d5c4e2e4 @ QGA; 3.e4 @ 1. d4 d5 2. c4 dxc4 3. e4
D20: d2d4d7d5c2c4d5c4e2e4c7c5d4d5g8f6b1c3b7b5 @ QGA; Linares variation @ 1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5
D20: d2d4d7d5c2c4d5c4e2e4f7f5 @ QGA; Schwartz defence @ 1. d4 d5 2. c4 dxc4 3. e4 f5
D21: d2d4d7d5c2c4d5c4g1f3 @ QGA; 3.Nf3 @ 1. d4 d5 2. c4 dxc4 3. Nf3
D21: d2d4d7d5c2c4d5c4g1f3b7b5 @ QGA; Ericson variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 b5
D21: d2d4d7d5c2c4d5c4g1f3a7a6e2e4 @ QGA; Alekhine defense, Borisenko-Furman variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4
D22: d2d4d7d5c2c4d5c4g1f3a7a6 @ QGA; Alekhine defence @ 1. d4 d5 2. c4 dxc4 3. Nf3 a6
D22: d2d4d7d5c2c4d5c4g1f3a7a6e2e3c8g4f1c4e7e6d4d5 @ QGA; Alekhine defence, Alatortsev variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. d5
D22: d2d4d7d5c2c4d5c4g1f3a7a6e2e3b7b5 @ QGA; Haberditz variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5
D23: d2d4d7d5c2c4d5c4g1f3g8f6 @ Queen's gambit accepted; Haberditz variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6
D23: d2d4d7d5c2c4d5c4g1f3g8f6d1a4 @ QGA; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+
D24: d2d4d7d5c2c4d5c4g1f3g8f6b1c3 @ QGA, 4.Nc3; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3
D24: d2d4d7d5c2c4d5c4g1f3g8f6b1c3a7a6e2e4 @ QGA, Bogolyubov variation; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4
D25: d2d4d7d5c2c4d5c4g1f3g8f6e2e3 @ QGA, 4.e3; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3
D25: d2d4d7d5c2c4d5c4g1f3g8f6e2e3g7g6 @ QGA, Smyslov variation; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6
D25: d2d4d7d5c2c4d5c4g1f3g8f6e2e3c8g4 @ QGA, Janowsky-Larsen variation; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4
D25: d2d4d7d5c2c4d5c4g1f3g8f6e2e3c8e6 @ QGA, Flohr variation; Mannheim variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6
D26: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6 @ QGA; 4...e6 @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6
D26: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5 @ QGA; Classical variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5
D26: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5d1e2a7a6d4c5f8c5e1g1b8c6e3e4b7b5e4e5 @ QGA; Classical, Furman variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. e4 b5 10. e5
D26: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1 @ QGA; Classical variation, 6.O-O @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O
D26: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1c5d4 @ QGA; Classical, Steinitz variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O cxd4
D27: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6 @ QGA; Classical, 6...a6 @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6
D27: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6a2a4 @ QGA; Classical, Rubinstein variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4
D27: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6e3e4 @ QGA; Classical, Geller variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. e4
D28: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6d1e2 @ QGA; Classical, 7.Qe2 @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2
D28: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6d1e2b7b5 @ QGA; Classical, 7...b5 @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5
D28: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6d1e2b7b5c4b3b8c6f1d1c5c4b3c2c6b4b1c3b4c2e2c2c8b7d4d5d8c7 @ QGA; Classical, Flohr variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Nc6 9. Rd1 c4 10. Bc2 Nb4 11. Nc3 Nxc2 12. Qxc2 Bb7 13. d5 Qc7
D29: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6d1e2b7b5c4b3c8b7 @ QGA; Classical, 8...Bb7 @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7
D29: d2d4d7d5c2c4d5c4g1f3g8f6e2e3e7e6f1c4c7c5e1g1a7a6d1e2b7b5c4b3c8b7f1d1b8d7b1c3f8d6 @ QGA; Classical, Smyslov variation @ 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 Bd6
D30: d2d4d7d5c2c4e7e6 @ Queen's gambit declined; Classical, Smyslov variation @ 1. d4 d5 2. c4 e6
D30: d2d4d7d5c2c4e7e6g1f3g8f6e2e3c7c6b1d2 @ QGD Slav; Classical, Smyslov variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2
D30: d2d4d7d5c2c4e7e6g1f3g8f6e2e3c7c6b1d2f6e4f1d3f7f5 @ QGD; Stonewall variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Ne4 6. Bd3 f5
D30: d2d4d7d5c2c4e7e6g1f3g8f6e2e3c7c6b1d2b8d7 @ QGD Slav; Stonewall variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Nbd7
D30: d2d4d7d5c2c4e7e6g1f3g8f6e2e3c7c6b1d2b8d7f1d3c6c5 @ QGD Slav; Semmering variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Nbd7 6. Bd3 c5
D30: d2d4d7d5c2c4e7e6g1f3g8f6e2e3c7c6b1d2g7g6 @ QGD; Spielmann variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6
D30: d2d4d7d5c2c4e7e6g1f3g8f6c1g5 @ QGD; Spielmann variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5
D30: d2d4d7d5c2c4e7e6g1f3g8f6c1g5b8d7e2e3c7c6b1d2 @ QGD; Capablanca variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nbd2
D30: d2d4d7d5c2c4e7e6g1f3g8f6c1g5f8b4 @ QGD; Vienna variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+
D30: d2d4d7d5c2c4e7e6g1f3g8f6c1g5h7h6 @ QGD; Capablanca-Duras variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6
D30: d2d4d7d5c2c4e7e6g1f3g8f6c1g5h7h6g5f6d8f6b1c3c7c6d1b3 @ QGD; Hastings variation @ 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 c6 7. Qb3
D31: d2d4d7d5c2c4e7e6b1c3 @ QGD; 3.Nc3 @ 1. d4 d5 2. c4 e6 3. Nc3
D31: d2d4d7d5c2c4e7e6b1c3a7a6 @ QGD; Janowski variation @ 1. d4 d5 2. c4 e6 3. Nc3 a6
D31: d2d4d7d5c2c4e7e6b1c3b7b6 @ QGD; Alapin variation @ 1. d4 d5 2. c4 e6 3. Nc3 b6
D31: d2d4d7d5c2c4e7e6b1c3f8e7 @ QGD; Charousek (Petrosian) variation @ 1. d4 d5 2. c4 e6 3. Nc3 Be7
D31: d2d4d7d5c2c4e7e6b1c3c7c6 @ QGD; Semi-Slav @ 1. d4 d5 2. c4 e6 3. Nc3 c6
D31: d2d4d7d5c2c4e7e6b1c3c7c6g1f3d5c4 @ QGD; Semi-Slav, Noteboom variation @ 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4
D31: d2d4d7d5c2c4e7e6b1c3c7c6g1f3d5c4a2a4f8b4e2e3b7b5c1d2d8e7 @ QGD; Semi-Slav, Koomen variation @ 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qe7
D31: d2d4d7d5c2c4e7e6b1c3c7c6g1f3d5c4a2a4f8b4e2e3b7b5c1d2d8b6 @ QGD; Semi-Slav, Junge variation @ 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qb6
D31: d2d4d7d5c2c4e7e6b1c3c7c6g1f3d5c4a2a4f8b4e2e3b7b5c1d2a7a5 @ QGD; Semi-Slav, Abrahams variation @ 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5
D31: d2d4d7d5c2c4e7e6b1c3c7c6e2e4 @ QGD; Semi-Slav, Marshall gambit @ 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4
D32: d2d4d7d5c2c4e7e6b1c3c7c5 @ QGD; Tarrasch defence @ 1. d4 d5 2. c4 e6 3. Nc3 c5
D32: d2d4d7d5c2c4e7e6b1c3c7c5c4d5c5d4 @ QGD; Tarrasch, von Hennig-Schara gambit @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4
D32: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5 @ QGD; Tarrasch defence, 4.cd ed @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5
D32: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5d4c5d5d4c3a4b7b5 @ QGD; Tarrasch defence, Tarrasch gambit @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 b5
D32: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5e2e4 @ QGD; Tarrasch defence, Marshall gambit @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4
D32: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3 @ QGD; Tarrasch defence @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3
D33: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3 @ QGD; Tarrasch, Schlechter-Rubinstein system @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3
D33: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3c5c4 @ QGD; Tarrasch, Folkestone (Swedish) variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4
D33: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3c5c4e2e4 @ QGD; Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4
D33: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6 @ QGD; Tarrasch, Prague variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6
D33: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2c8g4 @ QGD; Tarrasch, Wagner variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Bg4
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7 @ QGD; Tarrasch, Prague variation, 7...Be7 @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7e1g1e8g8 @ QGD; Tarrasch, Prague variation, Normal position @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7e1g1e8g8d4c5e7c5c3a4 @ QGD; Tarrasch, Reti variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7e1g1e8g8c1g5 @ QGD; Tarrasch, Prague variation, 9.Bg5 @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7e1g1e8g8c1g5c8e6a1c1c5c4 @ QGD; Tarrasch, Bogolyubov variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4
D34: d2d4d7d5c2c4e7e6b1c3c7c5c4d5e6d5g1f3b8c6g2g3g8f6f1g2f8e7e1g1e8g8c1g5c8e6a1c1b7b6 @ QGD; Tarrasch, Stoltz variation @ 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 b6
D35: d2d4d7d5c2c4e7e6b1c3g8f6 @ QGD; 3...Nf6 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6
D35: d2d4d7d5c2c4e7e6b1c3g8f6c1f4 @ QGD; Harrwitz attack @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4
D35: d2d4d7d5c2c4e7e6b1c3g8f6c4d5 @ QGD; Exchange variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5
D35: d2d4d7d5c2c4e7e6b1c3g8f6c4d5e6d5g1f3b8d7c1f4 @ QGD; Exchange, Saemisch variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Nf3 Nbd7 6. Bf4
D35: d2d4d7d5c2c4e7e6b1c3g8f6c4d5e6d5c1g5 @ QGD; Exchange, positional line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5
D35: d2d4d7d5c2c4e7e6b1c3g8f6c4d5e6d5c1g5f8e7e2e3e8g8f1d3b8d7d1c2f8e8g1e2d7f8e1c1 @ QGD; Exchange, chameleon variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. O-O-O
D35: d2d4d7d5c2c4e7e6b1c3g8f6c4d5e6d5c1g5c7c6 @ QGD; Exchange, positional line, 5...c6 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6
D36: d2d4d7d5c2c4e7e6b1c3g8f6c4d5e6d5c1g5c7c6d1c2 @ QGD; Exchange, positional line, 6.Qc2 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2
D37: d2d4d7d5c2c4e7e6b1c3g8f6g1f3 @ QGD; 4.Nf3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3
D37: d2d4d7d5c2c4e7e6b1c3g8f6g1f3f8e7c1f4 @ QGD; Classical variation (5.Bf4) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4
D38: d2d4d7d5c2c4e7e6b1c3g8f6g1f3f8b4 @ QGD; Ragozin variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4
D39: d2d4d7d5c2c4e7e6b1c3g8f6g1f3f8b4c1g5d5c4 @ QGD; Ragozin, Vienna variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 dxc4
D40: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5 @ QGD; Semi-Tarrasch defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5
D40: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5e2e3b8c6f1d3f8d6e1g1e8g8 @ QGD; Semi-Tarrasch, Symmetrical variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O
D40: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5e2e3b8c6f1d3f8d6e1g1e8g8d1e2d8e7d4c5d6c5e3e4 @ QGD; Semi-Tarrasch, Levenfish variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4
D40: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c1g5 @ QGD; Semi-Tarrasch defence, Pillsbury variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5
D41: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c4d5 @ QGD; Semi-Tarrasch, 5.cd @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5
D41: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c4d5f6d5e2e4d5c3b2c3c5d4c3d4f8b4c1d2b4d2d1d2e8g8f1b5 @ QGD; Semi-Tarrasch, Kmoch variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bb5
D41: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c4d5f6d5e2e4d5c3b2c3c5d4c3d4f8b4c1d2d8a5 @ QGD; Semi-Tarrasch, San Sebastian variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5
D41: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c4d5f6d5e2e3 @ QGD; Semi-Tarrasch with e3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3
D42: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c5c4d5f6d5e2e3b8c6f1d3 @ QGD; Semi-Tarrasch, 7.Bd3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3
D43: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6 @ QGD Semi-Slav; Semi-Tarrasch, 7.Bd3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6
D43: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5h7h6g5f6d8f6d1b3 @ QGD Semi-Slav; Hastings variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4 @ QGD Semi-Slav; 5.Bg5 dc @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4 @ QGD Semi-Slav; Botvinnik system (anti-Meran) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4b7b5e4e5h7h6g5h4g7g5e5f6g5h4f3e5 @ QGD Semi-Slav; Ekstrom variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4b7b5e4e5h7h6g5h4g7g5f3g5 @ QGD Semi-Slav; Anti-Meran gambit @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4b7b5e4e5h7h6g5h4g7g5f3g5h6g5h4g5b8d7g2g3 @ QGD Semi-Slav; Anti-Meran, Lilienthal variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4b7b5e4e5h7h6g5h4g7g5f3g5h6g5h4g5b8d7d1f3 @ QGD Semi-Slav; Anti-Meran, Szabo variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3
D44: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6c1g5d5c4e2e4b7b5e4e5h7h6g5h4g7g5f3g5f6d5 @ QGD Semi-Slav; Anti-Meran, Alatortsev system @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3 @ QGD Semi-Slav; 5.e3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3f6e4f1d3f7f5 @ QGD Semi-Slav; Stonewall defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Ne4 6. Bd3 f5
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3a7a6 @ QGD Semi-Slav; Accelerated Meran (Alekhine variation) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 a6
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7 @ QGD Semi-Slav; 5...Nd7 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7d1c2 @ QGD Semi-Slav; Stoltz variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2
D45: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f3e5 @ QGD Semi-Slav; Rubinstein (anti-Meran) system @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Ne5
D46: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3 @ QGD Semi-Slav; 6.Bd3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3
D46: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3f8e7 @ QGD Semi-Slav; Bogolyubov variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7
D46: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3f8b4 @ QGD Semi-Slav; Romih variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bb4
D46: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3f8d6 @ QGD Semi-Slav; Chigorin defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bd6
D47: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4 @ QGD Semi-Slav; 7.Bc4 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4
D47: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5 @ QGD Semi-Slav; Meran variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5
D47: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3b5b4 @ QGD Semi-Slav; neo-Meran (Lundin variation) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4
D47: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3c8b7 @ QGD Semi-Slav; Meran, Wade variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7
D48: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6 @ QGD Semi-Slav; Meran, 8...a6 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6
D48: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4b5b4 @ QGD Semi-Slav; Meran, Pirc variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4
D48: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5 @ QGD Semi-Slav; Meran @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5
D48: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5d4d5 @ QGD Semi-Slav; Meran, ReynOlds' variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5
D48: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5 @ QGD Semi-Slav; Meran, Old Main line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5 @ QGD Semi-Slav; Meran, Blumenfeld variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5f6g4 @ QGD Semi-Slav; Meran, Rabinovich variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5d7e5 @ QGD Semi-Slav; Meran, Sozin variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5d7e5f3e5a6b5d1f3 @ QGD Semi-Slav; Meran, Stahlberg variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5d7e5f3e5a6b5e1g1 @ QGD Semi-Slav; Meran, Sozin variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O
D49: d2d4d7d5c2c4e7e6b1c3g8f6g1f3c7c6e2e3b8d7f1d3d5c4d3c4b7b5c4d3a7a6e3e4c6c5e4e5c5d4c3b5d7e5f3e5a6b5e1g1d8d5d1e2c8a6c1g5 @ QGD Semi-Slav; Meran, Rellstab attack @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O Qd5 14. Qe2 Ba6 15. Bg5
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5 @ QGD; 4.Bg5 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5c7c5 @ QGD; Been-Koomen variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5c7c5g1f3c5d4f3d4e6e5d4b5a7a6d1a4 @ QGD; Semi-Tarrasch, Krause variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5c7c5g1f3c5d4d1d4 @ QGD; Semi-Tarrasch, Primitive Pillsbury variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5c7c5c4d5 @ QGD; Semi-Tarrasch @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5
D50: d2d4d7d5c2c4e7e6b1c3g8f6c1g5c7c5c4d5d8b6 @ QGD; Canal (Venice) variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 Qb6
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7 @ QGD; 4.Bg5 Nbd7 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7g1f3c7c6a1c1d8a5g5d2 @ QGD; Rochlin variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7g1f3c7c6e2e4 @ QGD; Alekhine variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3 @ QGD; Alekhine variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3f8b4 @ QGD; Manhattan variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6 @ QGD; 5...c6 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6
D51: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6a2a3 @ QGD; Capablanca anti-Cambridge Springs variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3 @ QGD; Capablanca anti-Cambridge Springs variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5 @ QGD; Cambridge Springs defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5f3d2f8b4d1c2 @ QGD; Cambridge Springs defence, Bogoljubow variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5f3d2f8b4d1c2e8g8g5h4 @ QGD; Cambridge Springs defence, Argentine variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Bh4
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5f3d2d5c4 @ QGD; Cambridge Springs defence, Rubinstein variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 dxc4
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5g5f6 @ QGD; Cambridge Springs defence, Capablanca variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5c4d5 @ QGD; Cambridge Springs defence, 7.cd @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5
D52: d2d4d7d5c2c4e7e6b1c3g8f6c1g5b8d7e2e3c7c6g1f3d8a5c4d5f6d5 @ QGD; Cambridge Springs defence, Yugoslav variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5 Nxd5
D53: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7 @ QGD; 4.Bg5 Be7 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
D53: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3f6e4 @ QGD; Lasker variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4
D53: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8 @ QGD; 4.Bg5 Be7, 5.e3 O-O @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O
D54: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8a1c1 @ QGD; Anti-neo-Orthodox variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3 @ QGD; 6.Nf3 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b7b6f1d3c8b7c4d5e6d5f3e5 @ QGD; Pillsbury attack @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 b6 7. Bd3 Bb7 8. cxd5 exd5 9. Ne5
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6 @ QGD; Neo-Orthodox variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5f6 @ QGD; Neo-Orthodox variation, 7.Bxf6 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bxf6
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5f6e7f6a1c1c7c6f1d3b8d7e1g1d5c4d3c4 @ QGD; Petrosian variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bxf6 Bxf6 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4
D55: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4 @ QGD; Neo-Orthodox variation, 7.Bh4 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4
D56: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4f6e4 @ QGD; Lasker defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4
D56: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4f6e4h4e7d8e7d1c2 @ QGD; Lasker defence, Teichmann variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2
D56: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4f6e4h4e7d8e7d1c2e4f6f1d3d5c4d3c4c7c5e1g1b8c6f1d1c8d7 @ QGD; Lasker defence, Russian variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nf6 10. Bd3 dxc4 11. Bxc4 c5 12. O-O Nc6 13. Rfd1 Bd7
D57: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4f6e4h4e7d8e7c4d5e4c3b2c3 @ QGD; Lasker defence, Main line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3
D57: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4f6e4h4e7d8e7c4d5e4c3b2c3e6d5d1b3e7d6 @ QGD; Lasker defence, Bernstein variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6
D58: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4b7b6 @ QGD; Tartakower (Makagonov-Bondarevsky) system @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6
D59: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4b7b6c4d5f6d5 @ QGD; Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5
D59: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3h7h6g5h4b7b6c4d5f6d5h4e7d8e7c3d5e6d5a1c1c8e6 @ QGD; Tartakower variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6
D60: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7 @ QGD; Orthodox defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7
D60: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7f1d3 @ QGD; Orthodox defence, Botvinnik variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Bd3
D60: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7d1b3 @ QGD; Orthodox defence, Rauzer variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qb3
D61: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7d1c2 @ QGD; Orthodox defence, Rubinstein variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2
D62: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7d1c2c7c5c4d5 @ QGD; Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2 c5 8. cxd5
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1 @ QGD; Orthodox defence, 7.Rc1 @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1b7b6c4d5e6d5f1d3 @ QGD; Orthodox defence, Pillsbury attack @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1b7b6c4d5e6d5f1b5 @ QGD; Orthodox defence, Capablanca variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1a7a6 @ QGD; Orthodox defence, Swiss (Henneberger) variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1a7a6c4d5 @ QGD; Orthodox defence, Swiss, Karlsbad variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6 8. cxd5
D63: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6 @ QGD; Orthodox defence @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6
D64: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6d1c2 @ QGD; Orthodox defence, Rubinstein attack (with Rc1) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2
D64: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6d1c2f6e4 @ QGD; Orthodox defence, Rubinstein attack, Wolf variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 Ne4
D64: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6d1c2a7a6 @ QGD; Orthodox defence, Rubinstein attack, Karlsbad variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6
D64: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6d1c2a7a6a2a3 @ QGD; Orthodox defence, Rubinstein attack, Gruenfeld variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. a3
D65: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6d1c2a7a6c4d5 @ QGD; Orthodox defence, Rubinstein attack, Main line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5
D66: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3 @ QGD; Orthodox defence, Bd3 line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3
D66: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4b7b5 @ QGD; Orthodox defence, Bd3 line, Fianchetto variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 b5
D67: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5 @ QGD; Orthodox defence, Bd3 line, Capablanca freeing manoevre @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5
D67: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5h2h4 @ QGD; Orthodox defence, Bd3 line, Janowski variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. h4
D67: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7 @ QGD; Orthodox defence, Bd3 line @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7
D67: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7c3e4 @ QGD; Orthodox defence, Bd3 line, Alekhine variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4
D67: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7e1g1 @ QGD; Orthodox defence, Bd3 line, 11.O-O @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O
D68: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7e1g1d5c3c1c3e6e5 @ QGD; Orthodox defence, Classical variation @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5
D68: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7e1g1d5c3c1c3e6e5d1b1 @ QGD; Orthodox defence, Classical, 13.d1b1 (Maroczy) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1
D68: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7e1g1d5c3c1c3e6e5d1c2 @ QGD; Orthodox defence, Classical, 13.d1c2 (Vidmar) @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2
D69: d2d4d7d5c2c4e7e6b1c3g8f6c1g5f8e7e2e3e8g8g1f3b8d7a1c1c7c6f1d3d5c4d3c4f6d5g5e7d8e7e1g1d5c3c1c3e6e5d4e5d7e5f3e5e7e5 @ QGD; Orthodox defence, Classical, 13.de @ 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5
D70: d2d4g8f6c2c4g7g6f2f3d7d5 @ Neo-Gruenfeld defence; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. f3 d5
D70: d2d4g8f6c2c4g7g6g2g3d7d5 @ Neo-Gruenfeld (Kemeri) defence; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5
D71: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7c4d5f6d5 @ Neo-Gruenfeld, 5.cd; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5
D72: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7c4d5f6d5e2e4d5b6g1e2 @ Neo-Gruenfeld, 5.cd, Main line; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2
D73: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3 @ Neo-Gruenfeld, 5.Nf3; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3
D74: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8c4d5f6d5e1g1 @ Neo-Gruenfeld, 6.cd Nxd5, 7.O-O; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O
D75: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8c4d5f6d5e1g1c7c5b1c3 @ Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O c5 8. Nc3
D75: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8c4d5f6d5e1g1c7c5d4c5 @ Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O c5 8. dxc5
D76: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8c4d5f6d5e1g1d5b6 @ Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O Nb6
D77: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8e1g1 @ Neo-Gruenfeld, 6.O-O; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O
D78: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8e1g1c7c6 @ Neo-Gruenfeld, 6.O-O c6; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6
D79: d2d4g8f6c2c4g7g6g2g3d7d5f1g2f8g7g1f3e8g8e1g1c7c6c4d5c6d5 @ Neo-Gruenfeld, 6.O-O, Main line; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6 7. cxd5 cxd5
D80: d2d4g8f6c2c4g7g6b1c3d7d5 @ Gruenfeld defence; Orthodox defence, Classical, 13.de @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5
D80: d2d4g8f6c2c4g7g6b1c3d7d5g2g4 @ Gruenfeld; Spike gambit @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g4
D80: d2d4g8f6c2c4g7g6b1c3d7d5c1g5 @ Gruenfeld; Stockholm variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5
D80: d2d4g8f6c2c4g7g6b1c3d7d5c1g5f6e4c3e4d5e4d1d2c7c5 @ Gruenfeld; Lundin variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5
D81: d2d4g8f6c2c4g7g6b1c3d7d5d1b3 @ Gruenfeld; Russian variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3
D82: d2d4g8f6c2c4g7g6b1c3d7d5c1f4 @ Gruenfeld; 4.Bf4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4
D83: d2d4g8f6c2c4g7g6b1c3d7d5c1f4f8g7e2e3e8g8 @ Gruenfeld; Gruenfeld gambit @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O
D83: d2d4g8f6c2c4g7g6b1c3d7d5c1f4f8g7e2e3e8g8a1c1 @ Gruenfeld; Gruenfeld gambit, Capablanca variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1
D83: d2d4g8f6c2c4g7g6b1c3d7d5c1f4f8g7e2e3e8g8a1c1c7c5d4c5c8e6 @ Gruenfeld; Gruenfeld gambit, Botvinnik variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c5 7. dxc5 Be6
D84: d2d4g8f6c2c4g7g6b1c3d7d5c1f4f8g7e2e3e8g8c4d5f6d5c3d5d8d5f4c7 @ Gruenfeld; Gruenfeld gambit accepted @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7
D85: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5 @ Gruenfeld; Exchange variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5
D85: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7g1f3 @ Gruenfeld; Modern Exchange variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3
D86: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4 @ Gruenfeld; Exchange, Classical variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4
D86: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2d8d7e1g1b7b6 @ Gruenfeld; Exchange, Larsen variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7 9. O-O b6
D86: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2b7b6 @ Gruenfeld; Exchange, Simagin's lesser variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 b6
D86: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2b8c6 @ Gruenfeld; Exchange, Simagin's improved variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6
D87: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2c7c5 @ Gruenfeld; Exchange, Spassky variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5
D87: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2c7c5e1g1b8c6c1e3c8g4f2f3c6a5c4f7 @ Gruenfeld; Exchange, Seville variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 Bg4 11. f3 Na5 12. Bxf7+
D88: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2c7c5e1g1b8c6c1e3c5d4c3d4 @ Gruenfeld; Spassky variation, Main line, 10...cd, 11.cd @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4
D89: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2c7c5e1g1b8c6c1e3c5d4c3d4c8g4f2f3c6a5c4d3g4e6 @ Gruenfeld; Spassky variation, Main line, 13.Bd3 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6
D89: d2d4g8f6c2c4g7g6b1c3d7d5c4d5f6d5e2e4d5c3b2c3f8g7f1c4e8g8g1e2c7c5e1g1b8c6c1e3c5d4c3d4c8g4f2f3c6a5c4d3g4e6d4d5 @ Gruenfeld; Exchange, Sokolsky variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5
D90: d2d4g8f6c2c4g7g6b1c3d7d5g1f3 @ Gruenfeld; Three knights variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3
D90: d2d4g8f6c2c4g7g6b1c3d7d5g1f3c7c6 @ Gruenfeld; Schlechter variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 c6
D90: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7 @ Gruenfeld; Three knights variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7
D90: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1a4 @ Gruenfeld; Flohr variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+
D91: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7c1g5 @ Gruenfeld; 5.Bg5 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
D92: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7c1f4 @ Gruenfeld; 5.Bf4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4
D93: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7c1f4e8g8e2e3 @ Gruenfeld with Bf4 e3; 5.Bf4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3 @ Gruenfeld; 5.e3 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8b2b4 @ Gruenfeld; Makogonov variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. b4
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8c1d2 @ Gruenfeld; Opovcensky variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8f1d3 @ Gruenfeld with e3 Bd3; Opovcensky variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8f1d3c7c6e1g1c8g4 @ Gruenfeld; Smyslov defence @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3 c6 7. O-O Bg4
D94: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8f1d3c7c6e1g1c8f5 @ Gruenfeld; Flohr defence @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3 c6 7. O-O Bf5
D95: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8d1b3 @ Gruenfeld with e3 & Qb3; Flohr defence @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3
D95: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8d1b3e7e6 @ Gruenfeld; Botvinnik variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6
D95: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7e2e3e8g8d1b3d5c4f1c4b8d7f3g5 @ Gruenfeld; Pachman variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 dxc4 7. Bxc4 Nbd7 8. Ng5
D96: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3 @ Gruenfeld; Russian variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4 @ Gruenfeld; Russian variation with e4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4a7a6 @ Gruenfeld; Russian, Alekhine (Hungarian) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4c7c6 @ Gruenfeld; Russian, Szabo (Boleslavsky) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4b7b6 @ Gruenfeld; Russian, Levenfish variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 b6
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4b8c6 @ Gruenfeld; Russian, Byrne (Simagin) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6
D97: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4b8a6 @ Gruenfeld; Russian, Prins variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6
D98: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4c8g4 @ Gruenfeld; Russian, Smyslov variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4
D98: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4c8g4c1e3f6d7f1e2d7b6c4d3b8c6e1c1 @ Gruenfeld; Russian, Keres variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Be2 Nb6 10. Qd3 Nc6 11. O-O-O
D99: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4c8g4c1e3f6d7c4b3 @ Gruenfeld defence; Smyslov, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3
D99: d2d4g8f6c2c4g7g6b1c3d7d5g1f3f8g7d1b3d5c4b3c4e8g8e2e4c8g4c1e3f6d7c4b3c7c5 @ Gruenfeld defence; Smyslov, Yugoslav variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 c5
E00: d2d4g8f6c2c4e7e6 @ Queen's pawn game; Smyslov, Yugoslav variation @ 1. d4 Nf6 2. c4 e6
E00: d2d4g8f6c2c4e7e6c1g5 @ Neo-Indian (Seirawan) attack; Smyslov, Yugoslav variation @ 1. d4 Nf6 2. c4 e6 3. Bg5
E00: d2d4g8f6c2c4e7e6g2g3 @ Catalan Opening; Smyslov, Yugoslav variation @ 1. d4 Nf6 2. c4 e6 3. g3
E01: d2d4g8f6c2c4e7e6g2g3d7d5f1g2 @ Catalan; Closed @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2
E02: d2d4g8f6c2c4e7e6g2g3d7d5f1g2d5c4d1a4 @ Catalan; Open, 5.Qa4 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+
E03: d2d4g8f6c2c4e7e6g2g3d7d5f1g2d5c4d1a4b8d7a4c4a7a6c4c2 @ Catalan; Open, Alekhine variation @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2
E03: d2d4g8f6c2c4e7e6g2g3d7d5f1g2d5c4d1a4b8d7a4c4 @ Catalan; Open, 5.Qa4 Nbd7, 6.Qxc4 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4
E04: d2d4g8f6c2c4e7e6g2g3d7d5f1g2d5c4g1f3 @ Catalan; Open, 5.Nf3 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3
E05: d2d4g8f6c2c4e7e6g2g3d7d5f1g2d5c4g1f3f8e7 @ Catalan; Open, Classical line @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7
E06: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3 @ Catalan; Closed, 5.Nf3 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3
E07: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7 @ Catalan; Closed, 6...Nbd7 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7
E07: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7b1c3c7c6d1d3 @ Catalan; Closed, Botvinnik variation @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c6 8. Qd3
E08: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2 @ Catalan; Closed, 7.Qc2 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2
E08: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2c7c6f1d1b7b6a2a4 @ Catalan; Closed, Zagoryansky variation @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Rd1 b6 9. a4
E08: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2c7c6b2b3 @ Catalan; Closed, Qc2 & b3 @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3
E08: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2c7c6b2b3b7b6f1d1c8b7b1c3b6b5 @ Catalan; Closed, Spassky gambit @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3 b6 9. Rd1 Bb7 10. Nc3 b5
E09: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2c7c6b1d2 @ Catalan; Closed, Main line @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2
E09: d2d4g8f6c2c4e7e6g2g3d7d5f1g2f8e7g1f3e8g8e1g1b8d7d1c2c7c6b1d2b7b6b2b3a7a5c1b2c8a6 @ Catalan; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 a5 10. Bb2 Ba6
E10: d2d4g8f6c2c4e7e6g1f3 @ Queen's pawn game; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3
E10: d2d4g8f6c2c4e7e6g1f3c7c5d4d5b7b5 @ Blumenfeld counter-gambit; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5
E10: d2d4g8f6c2c4e7e6g1f3c7c5d4d5b7b5d5e6f7e6c4b5d7d5 @ Blumenfeld counter-gambit accepted; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5
E10: d2d4g8f6c2c4e7e6g1f3c7c5d4d5b7b5c1g5 @ Blumenfeld counter-gambit, Dus-Chotimursky variation; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5
E10: d2d4g8f6c2c4e7e6g1f3c7c5d4d5b7b5c1g5e6d5c4d5h7h6 @ Blumenfeld counter-gambit, Spielmann variation; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6
E10: d2d4g8f6c2c4e7e6g1f3a7a6 @ Dzindzikhashvili defence; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 a6
E10: d2d4g8f6c2c4e7e6g1f3f6e4 @ Doery defence; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 Ne4
E11: d2d4g8f6c2c4e7e6g1f3f8b4 @ Bogo-Indian defence; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
E11: d2d4g8f6c2c4e7e6g1f3f8b4b1d2 @ Bogo-Indian defence, Gruenfeld variation; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2
E11: d2d4g8f6c2c4e7e6g1f3f8b4c1d2d8e7 @ Bogo-Indian defence, Nimzovich variation; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7
E11: d2d4g8f6c2c4e7e6g1f3f8b4c1d2b4d2d1d2b7b6g2g3c8b7f1g2e8g8b1c3f6e4d2c2e4c3f3g5 @ Bogo-Indian defence, Monticelli trap; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 b6 6. g3 Bb7 7. Bg2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5
E12: d2d4g8f6c2c4e7e6g1f3b7b6 @ Queen's Indian defence; Closed, Sokolsky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6
E12: d2d4g8f6c2c4e7e6g1f3b7b6c1f4 @ Queen's Indian; Miles variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4
E12: d2d4g8f6c2c4e7e6g1f3b7b6a2a3 @ Queen's Indian; Petrosian system @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3
E12: d2d4g8f6c2c4e7e6g1f3b7b6b1c3 @ Queen's Indian; 4.Nc3 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3
E12: d2d4g8f6c2c4e7e6g1f3b7b6b1c3c8b7c1g5h7h6g5h4g7g5h4g3f6h5 @ Queen's Indian; 4.Nc3, Botvinnik variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5
E13: d2d4g8f6c2c4e7e6g1f3b7b6b1c3c8b7c1g5h7h6g5h4f8b4 @ Queen's Indian; 4.Nc3, Main line @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4
E14: d2d4g8f6c2c4e7e6g1f3b7b6e2e3 @ Queen's Indian; 4.e3 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3
E14: d2d4g8f6c2c4e7e6g1f3b7b6e2e3c8b7f1d3c7c5e1g1f8e7b2b3e8g8c1b2c5d4f3d4 @ Queen's Indian; Averbakh variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. b3 O-O 8. Bb2 cxd4 9. Nxd4
E15: d2d4g8f6c2c4e7e6g1f3b7b6g2g3 @ Queen's Indian; 4.g3 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3
E15: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8a6 @ Queen's Indian; Nimzovich variation (exaggerated Fianchetto) @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6
E15: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7 @ Queen's Indian; 4.g3 Bb7 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7
E15: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2c7c5d4d5e6d5f3h4 @ Queen's Indian; Rubinstein variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4
E15: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2c7c5d4d5e6d5f3g5 @ Queen's Indian; Buerger variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5
E16: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8b4 @ Queen's Indian; Capablanca variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+
E16: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8b4c1d2a7a5 @ Queen's Indian; Yates variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5
E16: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8b4c1d2b4e7 @ Queen's Indian; Riumin variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7
E17: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7 @ Queen's Indian; 5.Bg2 Be7 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7
E17: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7b1c3 @ Queen's Indian; Anti-Queen's Indian system @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3
E17: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7b1c3f6e4c1d2 @ Queen's Indian; Opovcensky variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2
E17: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7e1g1 @ Queen's Indian; Old Main line, 6.O-O @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O
E17: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7e1g1e8g8b2b3 @ Queen's Indian; Euwe variation @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3
E18: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7e1g1e8g8b1c3 @ Queen's Indian; Old Main line, 7.Nc3 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3
E19: d2d4g8f6c2c4e7e6g1f3b7b6g2g3c8b7f1g2f8e7e1g1e8g8b1c3f6e4d1c2e4c3c2c3 @ Queen's Indian; Old Main line, 9.Qxc3 @ 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3
E20: d2d4g8f6c2c4e7e6b1c3f8b4 @ Nimzo-Indian defence; Old Main line, 9.Qxc3 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
E20: d2d4g8f6c2c4e7e6b1c3f8b4f2f3 @ Nimzo-Indian; Kmoch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3
E20: d2d4g8f6c2c4e7e6b1c3f8b4d1d3 @ Nimzo-Indian; Mikenas attack @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3
E20: d2d4g8f6c2c4e7e6b1c3f8b4g2g3 @ Nimzo-Indian; Romanishin-Kasparov (Steiner) system @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3
E21: d2d4g8f6c2c4e7e6b1c3f8b4g1f3 @ Nimzo-Indian; Three knights variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3
E21: d2d4g8f6c2c4e7e6b1c3f8b4g1f3c7c5d4d5 @ Nimzo-Indian; Three knights, Korchnoi variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5
E21: d2d4g8f6c2c4e7e6b1c3f8b4g1f3c7c5d4d5f6e4 @ Nimzo-Indian; Three knights, Euwe variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4
E22: d2d4g8f6c2c4e7e6b1c3f8b4d1b3 @ Nimzo-Indian; Spielmann variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3
E23: d2d4g8f6c2c4e7e6b1c3f8b4d1b3c7c5d4c5b8c6 @ Nimzo-Indian; Spielmann, 4...c5, 5.dc Nc6 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6
E23: d2d4g8f6c2c4e7e6b1c3f8b4d1b3c7c5d4c5b8c6g1f3f6e4c1d2e4d2 @ Nimzo-Indian; Spielmann, Karlsbad variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2
E23: d2d4g8f6c2c4e7e6b1c3f8b4d1b3c7c5d4c5b8c6g1f3f6e4c1d2e4c5 @ Nimzo-Indian; Spielmann, San Remo variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5
E23: d2d4g8f6c2c4e7e6b1c3f8b4d1b3c7c5d4c5b8c6g1f3f6e4c1d2e4c5b3c2f7f5g2g3 @ Nimzo-Indian; Spielmann, Staahlberg variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. g3
E24: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3 @ Nimzo-Indian; Saemisch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3
E24: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5f2f3d7d5e2e3e8g8c4d5f6d5 @ Nimzo-Indian; Saemisch, Botvinnik variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. e3 O-O 8. cxd5 Nxd5
E25: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5f2f3d7d5c4d5 @ Nimzo-Indian; Saemisch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5
E25: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5f2f3d7d5c4d5f6d5d4c5 @ Nimzo-Indian; Saemisch, Keres variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5
E25: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5f2f3d7d5c4d5f6d5d4c5f7f5 @ Nimzo-Indian; Saemisch, Romanovsky variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5
E26: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5e2e3 @ Nimzo-Indian; Saemisch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3
E26: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3c7c5e2e3b7b6 @ Nimzo-Indian; Saemisch, O'Kelly variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6
E27: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3e8g8 @ Nimzo-Indian; Saemisch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O
E28: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3e8g8e2e3 @ Nimzo-Indian; Saemisch variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3
E29: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3e8g8e2e3c7c5f1d3b8c6 @ Nimzo-Indian; Saemisch, Main line @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6
E29: d2d4g8f6c2c4e7e6b1c3f8b4a2a3b4c3b2c3e8g8e2e3c7c5f1d3b8c6g1e2b7b6e3e4f6e8 @ Nimzo-Indian; Saemisch, Capablanca variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8
E30: d2d4g8f6c2c4e7e6b1c3f8b4c1g5 @ Nimzo-Indian; Leningrad variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5
E30: d2d4g8f6c2c4e7e6b1c3f8b4c1g5h7h6g5h4c7c5d4d5b7b5 @ Nimzo-Indian; Leningrad, ...b5 gambit @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5
E31: d2d4g8f6c2c4e7e6b1c3f8b4c1g5h7h6g5h4c7c5d4d5d7d6 @ Nimzo-Indian; Leningrad, Main line @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6
E32: d2d4g8f6c2c4e7e6b1c3f8b4d1c2 @ Nimzo-Indian; Classical variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2
E32: d2d4g8f6c2c4e7e6b1c3f8b4d1c2e8g8a2a3b4c3c2c3b7b5 @ Nimzo-Indian; Classical, Adorjan gambit @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5
E33: d2d4g8f6c2c4e7e6b1c3f8b4d1c2b8c6 @ Nimzo-Indian; Classical, 4...Nc6 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6
E33: d2d4g8f6c2c4e7e6b1c3f8b4d1c2b8c6g1f3d7d6 @ Nimzo-Indian; Classical, Milner-Barry (Zurich) variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6
E34: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5 @ Nimzo-Indian; Classical, Noa variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5
E35: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5c4d5e6d5 @ Nimzo-Indian; Classical, Noa variation, 5.cd ed @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5
E36: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5a2a3 @ Nimzo-Indian; Classical, Noa variation, 5.a3 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3
E36: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5a2a3b4c3c2c3b8c6 @ Nimzo-Indian; Classical, Botvinnik variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6
E36: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5a2a3b4c3c2c3f6e4 @ Nimzo-Indian; Classical, Noa variation, Main line @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4
E37: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5a2a3b4c3c2c3f6e4c3c2 @ Nimzo-Indian; Classical, Noa variation, Main line, 7.Qc2 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2
E37: d2d4g8f6c2c4e7e6b1c3f8b4d1c2d7d5a2a3b4c3c2c3f6e4c3c2b8c6e2e3e6e5 @ Nimzo-Indian; Classical, San Remo variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5
E38: d2d4g8f6c2c4e7e6b1c3f8b4d1c2c7c5 @ Nimzo-Indian; Classical, 4...c5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5
E39: d2d4g8f6c2c4e7e6b1c3f8b4d1c2c7c5d4c5e8g8 @ Nimzo-Indian; Classical, Pirc variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O
E40: d2d4g8f6c2c4e7e6b1c3f8b4e2e3 @ Nimzo-Indian; 4.e3 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
E40: d2d4g8f6c2c4e7e6b1c3f8b4e2e3b8c6 @ Nimzo-Indian; 4.e3, Taimanov variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6
E41: d2d4g8f6c2c4e7e6b1c3f8b4e2e3c7c5 @ Nimzo-Indian; 4.e3 c5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
E41: d2d4g8f6c2c4e7e6b1c3f8b4e2e3c7c5f1d3b8c6g1f3b4c3b2c3d7d6 @ Nimzo-Indian; e3, Huebner variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6
E42: d2d4g8f6c2c4e7e6b1c3f8b4e2e3c7c5g1e2 @ Nimzo-Indian; 4.e3 c5, 5.Ne2 (Rubinstein) @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2
E43: d2d4g8f6c2c4e7e6b1c3f8b4e2e3b7b6 @ Nimzo-Indian; Fischer variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6
E44: d2d4g8f6c2c4e7e6b1c3f8b4e2e3b7b6g1e2 @ Nimzo-Indian; Fischer variation, 5.Ne2 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2
E45: d2d4g8f6c2c4e7e6b1c3f8b4e2e3b7b6g1e2c8a6 @ Nimzo-Indian; 4.e3, Bronstein (Byrne) variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6
E46: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8 @ Nimzo-Indian; 4.e3 O-O @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O
E46: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1e2 @ Nimzo-Indian; Reshevsky variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2
E46: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1e2d7d5a2a3b4d6 @ Nimzo-Indian; Simagin variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6
E47: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8f1d3 @ Nimzo-Indian; 4.e3 O-O, 5.Bd3 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3
E48: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8f1d3d7d5 @ Nimzo-Indian; 4.e3 O-O, 5.Bd3 d5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5
E49: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8f1d3d7d5a2a3b4c3b2c3 @ Nimzo-Indian; 4.e3, Botvinnik system @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3
E50: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3 @ Nimzo-Indian; 4.e3 e8g8, 5.Nf3, without ...d5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3
E51: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5 @ Nimzo-Indian; 4.e3 e8g8, 5.Nf3 d7d5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5
E51: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3b8c6e1g1d5c4 @ Nimzo-Indian; 4.e3, Ragozin variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 Nc6 7. O-O dxc4
E52: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3b7b6 @ Nimzo-Indian; 4.e3, Main line with ...b6 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6
E53: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5 @ Nimzo-Indian; 4.e3, Main line with ...c5 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5
E53: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b7b6 @ Nimzo-Indian; 4.e3, Keres variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O b6
E53: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b8d7 @ Nimzo-Indian; 4.e3, Gligoric system with 7...Nbd7 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nbd7
E54: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1d5c4d3c4 @ Nimzo-Indian; 4.e3, Gligoric system with 7...dc @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4
E54: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1d5c4d3c4d8e7 @ Nimzo-Indian; 4.e3, Gligoric system, Smyslov variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Qe7
E55: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1d5c4d3c4b8d7 @ Nimzo-Indian; 4.e3, Gligoric system, Bronstein variation @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7
E56: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b8c6 @ Nimzo-Indian; 4.e3, Main line with 7...Nc6 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6
E57: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b8c6a2a3d5c4d3c4c5d4 @ Nimzo-Indian; 4.e3, Main line with 8...dc and 9...cd @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 cxd4
E58: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b8c6a2a3b4c3b2c3 @ Nimzo-Indian; 4.e3, Main line with 8...Bxc3 @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3
E59: d2d4g8f6c2c4e7e6b1c3f8b4e2e3e8g8g1f3d7d5f1d3c7c5e1g1b8c6a2a3b4c3b2c3d5c4d3c4 @ Nimzo-Indian; 4.e3, Main line @ 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4
E60: d2d4g8f6c2c4g7g6 @ King's Indian defence; 4.e3, Main line @ 1. d4 Nf6 2. c4 g6
E60: d2d4g8f6c2c4g7g6g1f3 @ King's Indian, 3.Nf3; 4.e3, Main line @ 1. d4 Nf6 2. c4 g6 3. Nf3
E60: d2d4g8f6c2c4g7g6d1c2 @ Queen's pawn; Mengarini attack @ 1. d4 Nf6 2. c4 g6 3. Qc2
E60: d2d4g8f6c2c4g7g6d4d5 @ King's Indian; Anti-Gruenfeld @ 1. d4 Nf6 2. c4 g6 3. d5
E60: d2d4g8f6c2c4g7g6d4d5b7b5 @ King's Indian; Danube gambit @ 1. d4 Nf6 2. c4 g6 3. d5 b5
E60: d2d4g8f6c2c4g7g6g2g3 @ King's Indian; 3.g3 @ 1. d4 Nf6 2. c4 g6 3. g3
E60: d2d4g8f6c2c4g7g6g2g3f8g7f1g2d7d5 @ King's Indian; 3.g3, counterthrust variation @ 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5
E61: d2d4g8f6c2c4g7g6b1c3 @ King's Indian defence, 3.Nc3; 3.g3, counterthrust variation @ 1. d4 Nf6 2. c4 g6 3. Nc3
E61: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6c1g5 @ King's Indian; Smyslov system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3 @ King's Indian; Fianchetto variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2c7c6e1g1c8f5 @ King's Indian; Fianchetto, Larsen system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2c7c6e1g1d8a5 @ King's Indian; Fianchetto, Kavalek (Bronstein) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8c6 @ King's Indian; Fianchetto with ...Nc6 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8c6e1g1e7e5 @ King's Indian; Fianchetto, Uhlmann (Szabo) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8c6e1g1c8f5 @ King's Indian; Fianchetto, lesser Simagin (Spassky) variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bf5
E62: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8c6e1g1c8g4 @ King's Indian; Fianchetto, Simagin variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bg4
E63: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8c6e1g1a7a6 @ King's Indian; Fianchetto, Panno variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6
E64: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2c7c5 @ King's Indian; Fianchetto, Yugoslav system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5
E65: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2c7c5e1g1 @ King's Indian; Fianchetto, Yugoslav, 7.O-O @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O
E66: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2c7c5e1g1b8c6d4d5 @ King's Indian; Fianchetto, Yugoslav Panno @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8. d5
E67: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8d7 @ King's Indian; Fianchetto with ...Nd7 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7
E67: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8d7e1g1e7e5 @ King's Indian; Fianchetto, Classical variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5
E68: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8d7e1g1e7e5e2e4 @ King's Indian; Fianchetto, Classical variation, 8.e4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4
E69: d2d4g8f6c2c4g7g6b1c3f8g7g1f3d7d6g2g3e8g8f1g2b8d7e1g1e7e5e2e4c7c6h2h3 @ King's Indian; Fianchetto, Classical Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3
E70: d2d4g8f6c2c4g7g6b1c3f8g7e2e4 @ King's Indian; 4.e4 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4
E70: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1e2 @ King's Indian; Kramer system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2
E70: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6c1g5 @ King's Indian; Accelerated Averbakh system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5
E71: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6h2h3 @ King's Indian; Makagonov system (5.h3) @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3
E72: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g2g3 @ King's Indian with e4 & g3; Makagonov system (5.h3) @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3
E72: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g2g3e8g8f1g2e7e5g1e2 @ King's Indian; Pomar system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 e5 7. Nge2
E73: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f1e2 @ King's Indian; 5.Be2 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2
E73: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f1e2e8g8c1e3 @ King's Indian; Semi-Averbakh system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3
E73: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f1e2e8g8c1g5 @ King's Indian; Averbakh system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5
E74: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f1e2e8g8c1g5c7c5 @ King's Indian; Averbakh, 6...c5 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5
E75: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f1e2e8g8c1g5c7c5d4d5e7e6 @ King's Indian; Averbakh, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6
E76: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4 @ King's Indian; Four pawns attack @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4
E76: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8g1f3c7c5d4d5 @ King's Indian; Four pawns attack, dynamic line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5
E77: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2 @ King's Indian; Four pawns attack, 6.Be2 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2
E77: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2c7c5d4d5e7e6d5e6f7e6g2g4b8c6h2h4 @ King's Indian; Six pawns attack @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. dxe6 fxe6 9. g4 Nc6 10. h4
E77: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2c7c5d4d5e7e6g1f3 @ King's Indian; Four pawns attack @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3
E77: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2c7c5d4d5e7e6g1f3e6d5e4e5 @ King's Indian; Four pawns attack, Florentine gambit @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. e5
E78: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2c7c5g1f3 @ King's Indian; Four pawns attack, with Be2 and Nf3 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3
E79: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f4e8g8f1e2c7c5g1f3c5d4f3d4b8c6c1e3 @ King's Indian; Four pawns attack, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3
E80: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3 @ King's Indian; Saemisch variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3
E81: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8 @ King's Indian; Saemisch, 5...O-O @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O
E81: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3c7c6f1d3a7a6 @ King's Indian; Saemisch, Byrne variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6 7. Bd3 a6
E82: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3b7b6 @ King's Indian; Saemisch, double Fianchetto variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6
E83: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3b8c6 @ King's Indian; Saemisch, 6...Nc6 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6
E83: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3b8c6g1e2a8b8 @ King's Indian; Saemisch, Ruban variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 Rb8
E83: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3b8c6g1e2a7a6 @ King's Indian; Saemisch, Panno formation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6
E84: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3b8c6g1e2a7a6d1d2a8b8 @ King's Indian; Saemisch, Panno Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8
E85: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5 @ King's Indian; Saemisch, Orthodox variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5
E86: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5g1e2c7c6 @ King's Indian; Saemisch, Orthodox, 7.Nge2 c6 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6
E87: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5d4d5 @ King's Indian; Saemisch, Orthodox, 7.d5 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5
E87: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5d4d5f6h5d1d2d8h4g2g3h5g3d2f2g3f1f2h4f1e3e1e2e3c4 @ King's Indian; Saemisch, Orthodox, Bronstein variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 Qh4+ 9. g3 Nxg3 10. Qf2 Nxf1 11. Qxh4 Nxe3 12. Ke2 Nxc4
E88: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5d4d5c7c6 @ King's Indian; Saemisch, Orthodox, 7.d5 c6 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6
E89: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6f2f3e8g8c1e3e7e5d4d5c7c6g1e2c6d5 @ King's Indian; Saemisch, Orthodox Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Nge2 cxd5
E90: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3 @ King's Indian; 5.Nf3 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3
E90: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8c1e3 @ King's Indian; Larsen variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be3
E90: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8c1g5 @ King's Indian; Zinnowitz variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bg5
E91: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2 @ King's Indian; 6.Be2 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2
E91: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2b8a6 @ King's Indian; Kazakh variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6
E92: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5 @ King's Indian; Classical variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5
E92: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5d4e5 @ King's Indian; Andersson variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5
E92: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5c1e3 @ King's Indian; Gligoric-Taimanov system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3
E92: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5d4d5 @ King's Indian; Petrosian system @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5
E92: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5d4d5a7a5 @ King's Indian; Petrosian system, Stein variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5
E93: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5d4d5b8d7 @ King's Indian; Petrosian system, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7
E93: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5d4d5b8d7c1g5h7h6g5h4g6g5h4g3f6h5h2h4 @ King's Indian; Petrosian system, Keres variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4
E94: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1 @ King's Indian; Orthodox variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O
E94: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1c7c6 @ King's Indian; Orthodox, Donner variation @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O c6
E94: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8d7 @ King's Indian; Orthodox, 7...Nbd7 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7
E95: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8d7f1e1 @ King's Indian; Orthodox, 7...Nbd7, 8.Re1 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1
E96: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8d7f1e1c7c6e2f1a7a5 @ King's Indian; Orthodox, 7...Nbd7, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5
E97: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8c6 @ King's Indian; Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6
E97: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8c6d4d5c6e7b2b4 @ King's Indian; Orthodox, Aronin-Taimanov, bayonet attack @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4
E98: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8c6d4d5c6e7f3e1 @ King's Indian; Orthodox, Aronin-Taimanov, 9.Ne1 @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1
E99: d2d4g8f6c2c4g7g6b1c3f8g7e2e4d7d6g1f3e8g8f1e2e7e5e1g1b8c6d4d5c6e7f3e1f6d7f2f3f7f5 @ King's Indian; Orthodox, Aronin-Taimanov, Main line @ 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5
