Sicilian Defense
320 variantes · Partidas semiabiertas · línea principal 1.e4 c5
- B20 Sicilian Defense 1.e4 c5
- B22 Sicilian Defense: Alapin Variation 1.e4 c5 2.c3
- B20 Sicilian Defense: Amazon Attack 1.e4 c5 2.Qg4
- B20 Sicilian Defense: Bowdler Attack 1.e4 c5 2.Bc4
- B20 Sicilian Defense: Brick Variation 1.e4 c5 2.Nh3
- B23 Sicilian Defense: Closed 1.e4 c5 2.Nc3
- B20 Sicilian Defense: Grob Variation 1.e4 c5 2.g4
- B20 Sicilian Defense: Keres Variation 1.e4 c5 2.Ne2
- B20 Sicilian Defense: King David's Opening 1.e4 c5 2.Ke2
- B20 Sicilian Defense: Kronberger Variation 1.e4 c5 2.Na3
- B20 Sicilian Defense: Lasker-Dunne Attack 1.e4 c5 2.g3
- B21 Sicilian Defense: McDonnell Attack 1.e4 c5 2.f4
- B20 Sicilian Defense: Mengarini Variation 1.e4 c5 2.a3
- B20 Sicilian Defense: Myers Attack, with a4 1.e4 c5 2.a4
- B20 Sicilian Defense: Myers Attack, with h4 1.e4 c5 2.h4
- B21 Sicilian Defense: Smith-Morra Gambit 1.e4 c5 2.d4
- B20 Sicilian Defense: Snyder Variation 1.e4 c5 2.b3
- B20 Sicilian Defense: Staunton-Cochrane Variation 1.e4 c5 2.c4
- B20 Sicilian Defense: Wing Gambit 1.e4 c5 2.b4
- B27 Sicilian Defense: Brussels Gambit 1.e4 c5 2.Nf3 f5
- B27 Sicilian Defense: Bücker Variation 1.e4 c5 2.Nf3 h6
- B23 Sicilian Defense: Closed, Traditional 1.e4 c5 2.Nc3 Nc6
- B40 Sicilian Defense: French Variation 1.e4 c5 2.Nf3 e6
- B27 Sicilian Defense: Hyperaccelerated Dragon 1.e4 c5 2.Nf3 g6
- B27 Sicilian Defense: Jalalabad Variation 1.e4 c5 2.Nf3 e5
- B27 Sicilian Defense: Katalimov Variation 1.e4 c5 2.Nf3 b6
- B50 Sicilian Defense: Modern Variations 1.e4 c5 2.Nf3 d6
- B27 Sicilian Defense: Mongoose Variation 1.e4 c5 2.Nf3 Qa5
- B29 Sicilian Defense: Nimzowitsch Variation 1.e4 c5 2.Nf3 Nf6
- B28 Sicilian Defense: O'Kelly Variation 1.e4 c5 2.Nf3 a6
- B30 Sicilian Defense: Old Sicilian 1.e4 c5 2.Nf3 Nc6
- B27 Sicilian Defense: Polish Gambit 1.e4 c5 2.Nf3 b5
- B27 Sicilian Defense: Quinteros Variation 1.e4 c5 2.Nf3 Qc7
- B20 Sicilian Defense: Snyder Variation, Queen Fianchetto Variation 1.e4 c5 2.b3 b6
- B23 Sicilian Defense: Closed, Chameleon Variation 1.e4 c5 2.Nc3 Nc6 3.Nge2
- B24 Sicilian Defense: Closed, Fianchetto Variation 1.e4 c5 2.Nc3 Nc6 3.g3
- B23 Sicilian Defense: Closed, Grob Attack 1.e4 c5 2.Nc3 Nc6 3.g4
- B50 Sicilian Defense: Delayed Alapin Variation, with d6 1.e4 c5 2.Nf3 d6 3.c3
- B40 Sicilian Defense: Delayed Alapin Variation, with e6 1.e4 c5 2.Nf3 e6 3.c3
- B20 Sicilian Defense: Euwe Attack, Prins Gambit 1.e4 c5 2.b3 d5 3.Bb2
- B40 Sicilian Defense: French Variation, Westerinen Attack 1.e4 c5 2.Nf3 e6 3.b3
- B23 Sicilian Defense: Grand Prix Attack 1.e4 c5 2.Nc3 Nc6 3.f4
- B21 Sicilian Defense: Halasz Gambit 1.e4 c5 2.d4 cxd4 3.f4
- B27 Sicilian Defense: Hyperaccelerated Fianchetto 1.e4 c5 2.Nf3 g6 3.d4
- B50 Sicilian Defense: Kopec System 1.e4 c5 2.Nf3 d6 3.Bd3
- B40 Sicilian Defense: Kramnik Variation 1.e4 c5 2.Nf3 e6 3.c4
- B21 Sicilian Defense: Morphy Gambit 1.e4 c5 2.d4 cxd4 3.Nf3
- B51 Sicilian Defense: Moscow Variation 1.e4 c5 2.Nf3 d6 3.Bb5+
- B29 Sicilian Defense: Nimzowitsch Variation, Advance Variation 1.e4 c5 2.Nf3 Nf6 3.e5
- B29 Sicilian Defense: Nimzowitsch Variation, Closed Variation 1.e4 c5 2.Nf3 Nf6 3.Nc3
- B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack 1.e4 c5 2.Nf3 Nc6 3.Bb5
- B28 Sicilian Defense: O'Kelly Variation, Aronin System 1.e4 c5 2.Nf3 a6 3.Be2
- B28 Sicilian Defense: O'Kelly Variation, Kieseritzky System 1.e4 c5 2.Nf3 a6 3.b3
- B28 Sicilian Defense: O'Kelly Variation, Maróczy Bind 1.e4 c5 2.Nf3 a6 3.c4
- B28 Sicilian Defense: O'Kelly Variation, Normal System 1.e4 c5 2.Nf3 a6 3.d4
- B28 Sicilian Defense: O'Kelly Variation, Quiet System 1.e4 c5 2.Nf3 a6 3.d3
- B28 Sicilian Defense: O'Kelly Variation, Réti System 1.e4 c5 2.Nf3 a6 3.g3
- B28 Sicilian Defense: O'Kelly Variation, Venice System 1.e4 c5 2.Nf3 a6 3.c3
- B28 Sicilian Defense: O'Kelly Variation, Wing Gambit 1.e4 c5 2.Nf3 a6 3.b4
- B28 Sicilian Defense: O'Kelly Variation, Yerevan System 1.e4 c5 2.Nf3 a6 3.Nc3
- B32 Sicilian Defense: Open 1.e4 c5 2.Nf3 Nc6 3.d4
- B30 Sicilian Defense: Portsmouth Gambit 1.e4 c5 2.Nf3 Nc6 3.b4
- B40 Sicilian Defense: Wing Gambit Deferred 1.e4 c5 2.Nf3 e6 3.b4
- B20 Sicilian Defense: Wing Gambit, Abrahams Variation 1.e4 c5 2.b4 cxb4 3.Bb2
- B50 Sicilian Defense: Wing Gambit, Deferred Variation 1.e4 c5 2.Nf3 d6 3.b4
- B20 Sicilian Defense: Wing Gambit, Marshall Variation 1.e4 c5 2.b4 cxb4 3.a3
- B20 Sicilian Defense: Wing Gambit, Santasiere Variation 1.e4 c5 2.b4 cxb4 3.c4
- B27 Sicilian Defense: Acton Extension 1.e4 c5 2.Nf3 g6 3.c4 Bh6
- B22 Sicilian Defense: Alapin Variation, Barmen Defense 1.e4 c5 2.c3 d5 3.exd5 Qxd5
- B23 Sicilian Defense: Closed, Korchnoi Defense 1.e4 c5 2.Nc3 e6 3.g3 d5
- B27 Sicilian Defense: Double-Dutch Gambit 1.e4 c5 2.Nf3 f5 3.exf5 Nh6
- B40 Sicilian Defense: Drazic Variation 1.e4 c5 2.Nf3 e6 3.d4 a6
- B32 Sicilian Defense: Franco-Sicilian Variation 1.e4 c5 2.Nf3 Nc6 3.d4 e6
- B27 Sicilian Defense: Frederico Variation 1.e4 c5 2.Nf3 g6 3.d4 f5
- B40 Sicilian Defense: French Variation, Open 1.e4 c5 2.Nf3 e6 3.d4 cxd4
- B27 Sicilian Defense: Hyperaccelerated Pterodactyl 1.e4 c5 2.Nf3 g6 3.d4 Bg7
- B50 Sicilian Defense: Kotov Gambit 1.e4 c5 2.Nf3 d6 3.g3 b5
- B40 Sicilian Defense: Marshall Counterattack 1.e4 c5 2.Nf3 e6 3.d4 d5
- B21 Sicilian Defense: McDonnell Attack, Tal Gambit 1.e4 c5 2.f4 d5 3.exd5 Nf6
- B50 Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order 1.e4 c5 2.Nf3 d6 3.d4 Nf6
- B52 Sicilian Defense: Moscow Variation, Main Line 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7
- B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat Defense 1.e4 c5 2.Nf3 Nc6 3.Bb5 Nb8
- B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6
- B28 Sicilian Defense: O'Kelly Variation, Maróczy Bind, Paulsen Line 1.e4 c5 2.Nf3 a6 3.c4 e6
- B28 Sicilian Defense: O'Kelly Variation, Maróczy Bind, Robatsch Line 1.e4 c5 2.Nf3 a6 3.c4 d6
- B28 Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line 1.e4 c5 2.Nf3 a6 3.c3 Nf6
- B28 Sicilian Defense: O'Kelly Variation, Venice System, Ljubojevic Line 1.e4 c5 2.Nf3 a6 3.c3 b5
- B28 Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line 1.e4 c5 2.Nf3 a6 3.c3 d6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted 1.e4 c5 2.d4 cxd4 3.c3 dxc3
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation 1.e4 c5 2.d4 cxd4 3.c3 Nf6
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Center Formation 1.e4 c5 2.d4 cxd4 3.c3 e5
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Push Variation 1.e4 c5 2.d4 cxd4 3.c3 d3
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation 1.e4 c5 2.d4 cxd4 3.c3 d5
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Wing Formation 1.e4 c5 2.d4 cxd4 3.c3 Qa5
- B20 Sicilian Defense: Wing Gambit, Carlsbad Variation 1.e4 c5 2.b4 cxb4 3.a3 bxa3
- B20 Sicilian Defense: Big Clamp Formation 1.e4 c5 2.d3 Nc6 3.c3 d6 4.f4
- B53 Sicilian Defense: Chekhover Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4
- B20 Sicilian Defense: Kronberger Variation, Nemeth Gambit 1.e4 c5 2.Na3 Nc6 3.d4 cxd4 4.Bc4
- B50 Sicilian Defense: Modern Variations, Tartakower 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.c3
- B21 Sicilian Defense: Morphy Gambit, Andreaschek Gambit 1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3
- B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit 1.e4 c5 2.Nf3 Nc6 3.Bb5 Na5 4.b4
- B28 Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Bc4
- B28 Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.c3
- B28 Sicilian Defense: O'Kelly Variation, Normal System, Zagorovsky Line 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Qxd4
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nf3
- B21 Sicilian Defense: Smith-Morra Gambit Declined, Dubois Variation 1.e4 c5 2.d4 cxd4 3.c3 d3 4.c4
- B40 Sicilian Defense: Smith-Morra Gambit Deferred 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.c3
- B32 Sicilian Defense: Accelerated Dragon 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6
- B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4
- B54 Sicilian Defense: Dragon Variation, Accelerated Dragon 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 g6
- B32 Sicilian Defense: Flohr Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7
- B40 Sicilian Defense: French Variation, Normal 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6
- B20 Sicilian Defense: Gloria Variation 1.e4 c5 2.c4 d6 3.Nc3 Nc6 4.g3 h5
- B32 Sicilian Defense: Godiva Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6
- B41 Sicilian Defense: Kan Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6
- B40 Sicilian Defense: Kveinis Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Qb6
- B32 Sicilian Defense: Löwenthal Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5
- B50 Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order Accepted 1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.dxc5 Nxe4
- B54 Sicilian Defense: Modern Variations, Main Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6
- B32 Sicilian Defense: Nimzo-American Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 d5
- B29 Sicilian Defense: Nimzowitsch Variation, Exchange Variation 1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 Nxc3
- B28 Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 e5
- B28 Sicilian Defense: O'Kelly Variation, Venice System, Gambit Line 1.e4 c5 2.Nf3 a6 3.c3 d5 4.exd5 Nf6
- B40 Sicilian Defense: Paulsen-Basman Defense 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Bc5
- B44 Sicilian Defense: Taimanov Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6
- B34 Sicilian Defense: Accelerated Dragon, Exchange Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6
- B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4
- B34 Sicilian Defense: Accelerated Dragon, Modern Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3
- B21 Sicilian Defense: Coles Sicilian Gambit 1.e4 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qd1 Nf6 5.Bc4
- B22 Sicilian Defense: Heidenfeld Variation 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Na3
- B43 Sicilian Defense: Kan Variation, Knight Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3
- B41 Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4
- B42 Sicilian Defense: Kan Variation, Modern Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3
- B54 Sicilian Defense: Modern Variations, Ginsberg Gambit 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Bc4
- B52 Sicilian Defense: Moscow Variation, Sokolsky Variation 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4
- B54 Sicilian Defense: Prins Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3
- B45 Sicilian Defense: Taimanov Variation, Normal Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3
- B44 Sicilian Defense: Taimanov Variation, Szén Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5
- B20 Sicilian Defense: Wing Gambit, Marienbad Variation 1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Bb2
- B22 Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Bg4
- B40 Sicilian Defense: Alapin Variation, Sherzer Variation 1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.e5 Nd5 5.d4 Nc6
- B53 Sicilian Defense: Chekhover Variation, Zaitsev Defense 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7
- B56 Sicilian Defense: Classical Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6
- B30 Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 1.e4 c5 2.Nf3 Nc6 3.Nc3 e5 4.Bc4 Be7 5.d3 d6
- B30 Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 1.e4 c5 2.Nf3 Nc6 3.Nc3 e5 4.Bc4 Be7 5.d3 Nf6
- B22 Sicilian Defense: Delayed Alapin Variation 1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6
- B70 Sicilian Defense: Dragon Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
- B40 Sicilian Defense: Four Knights Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6
- B40 Sicilian Defense: Gaw-Paw Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6
- B32 Sicilian Defense: Kalashnikov Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6
- B41 Sicilian Defense: Kan Variation, Maróczy Bind, Hedgehog Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 g6
- B42 Sicilian Defense: Kan Variation, Polugaevsky Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5
- B42 Sicilian Defense: Kan Variation, Swiss Cheese Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6
- B43 Sicilian Defense: Kan Variation, Wing Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5
- B56 Sicilian Defense: Kupreichik Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bd7
- B33 Sicilian Defense: Lasker-Pelikan Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5
- B90 Sicilian Defense: Najdorf Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
- B32 Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 a6 5.c4 e5
- B40 Sicilian Defense: Pin Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4
- B80 Sicilian Defense: Scheveningen Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 g6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Kan Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 a6
- B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7
- B22 Sicilian Defense: Alapin Variation, Stoltz Attack 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Bc4 Nb6 6.Bb3
- B56 Sicilian Defense: Classical Variation, Fianchetto Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.g3
- B57 Sicilian Defense: Classical Variation, Sozin Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4
- B70 Sicilian Defense: Dragon Variation, Classical Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2
- B70 Sicilian Defense: Dragon Variation, Fianchetto Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3
- B71 Sicilian Defense: Dragon Variation, Levenfish Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4
- B40 Sicilian Defense: Four Knights Variation, Exchange Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6
- B23 Sicilian Defense: Grand Prix Attack, Schofman Variation 1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.f5
- B40 Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation 1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.d4 cxd4 6.Nxd4
- B33 Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nxc6
- B33 Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nf3
- B33 Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3
- B51 Sicilian Defense: Moscow Variation, Dorfman Gambit 1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Qe2 g6 6.e5
- B90 Sicilian Defense: Najdorf Variation, Adams Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3
- B93 Sicilian Defense: Najdorf Variation, Amsterdam Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4
- B90 Sicilian Defense: Najdorf Variation, Dekker Gambit 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g4
- B90 Sicilian Defense: Najdorf Variation, English Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3
- B90 Sicilian Defense: Najdorf Variation, Freak Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Rg1
- B90 Sicilian Defense: Najdorf Variation, Lipnitsky Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4
- B92 Sicilian Defense: Najdorf Variation, Opocensky Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2
- B91 Sicilian Defense: Najdorf Variation, Zagreb Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3
- B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 e5 6.d4
- B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.d4
- B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Qa4
- B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4
- B40 Sicilian Defense: Pin Variation, Koch Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.e5
- B55 Sicilian Defense: Prins Variation, Venice Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+
- B60 Sicilian Defense: Richter-Rauzer Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5
- B83 Sicilian Defense: Scheveningen Variation, Classical Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2
- B80 Sicilian Defense: Scheveningen Variation, Fianchetto Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g3
- B81 Sicilian Defense: Scheveningen Variation, Keres Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4
- B82 Sicilian Defense: Scheveningen Variation, Matanovic Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4
- B80 Sicilian Defense: Scheveningen Variation, Vitolins Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bb5+
- B86 Sicilian Defense: Sozin Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4
- B56 Sicilian Defense: Spielmann Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Nde2
- B48 Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3
- B56 Sicilian Defense: Venice Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+
- B56 Sicilian Defense: Yates Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bd3
- B22 Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 Bg4
- B58 Sicilian Defense: Boleslavsky Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5
- B57 Sicilian Defense: Classical Variation, Anti-Sozin Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6
- B30 Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 1.e4 c5 2.Nf3 Nc6 3.Nc3 e5 4.Bc4 Be7 5.d3 d6 6.Nd2 Bg5
- B25 Sicilian Defense: Closed, Botvinnik Defense, with f4 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5
- B25 Sicilian Defense: Closed, Botvinnik Defense, with Nge2 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5
- B50 Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Gambit 1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Be2 Nc6 5.d4 cxd4 6.cxd4 Nxe4
- B71 Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nbd7
- B33 Sicilian Defense: Four Knights Variation, Cobra Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 Bc5
- B27 Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3+ 6.bxc3 Qxc3+
- B90 Sicilian Defense: Najdorf Variation, English Attack, Anti-English 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Ng4
- B29 Sicilian Defense: Nimzowitsch Variation, Main Line 1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6
- B40 Sicilian Defense: Pin Variation, Jaffe Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Bd3 e5
- B60 Sicilian Defense: Richter-Rauzer Variation, Dragon Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 g6
- B60 Sicilian Defense: Richter-Rauzer Variation, Modern Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7
- B83 Sicilian Defense: Scheveningen Variation, Modern Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bc5
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bb4
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Taimanov Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Bc4 a6 6.Nf3 Ne7
- B88 Sicilian Defense: Sozin Attack, Leonhardt Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6
- B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4
- B58 Sicilian Defense: Boleslavsky Variation, Louma Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nxc6
- B24 Sicilian Defense: Closed, Smyslov Variation 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 Nd4 7.Nce2
- B75 Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3
- B43 Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qb6 7.Nf3
- B52 Sicilian Defense: Moscow Variation, Haag Gambit 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.d4
- B62 Sicilian Defense: Richter-Rauzer Variation, Exchange Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nxc6
- B62 Sicilian Defense: Richter-Rauzer Variation, Podebrady Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Nb3
- B63 Sicilian Defense: Richter-Rauzer Variation, Traditional Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2
- B62 Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5
- B90 Sicilian Defense: Scheveningen Variation, Delayed Keres Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.g4
- B90 Sicilian Defense: Scheveningen Variation, English Attack, with f3 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3
- B80 Sicilian Defense: Scheveningen Variation, English Attack, with Qd2 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.Qd2
- B89 Sicilian Defense: Sozin Attack, Main Line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Be3
- B45 Sicilian Defense: Taimanov Variation, American Attack 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.Nd6+
- B20 Sicilian Defense: Wing Gambit, Nanu Gambit 1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Nf3 e5 6.c4 Qe6 7.Bd3
- B39 Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4
- B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 Nxd4 7.Qxd4 d6
- B37 Sicilian Defense: Accelerated Dragon, Simagin Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Nc2 d6 7.Be2 Nh6
- B58 Sicilian Defense: Classical Variation, Dragon Transfer 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 Nxd4 7.Qxd4 g6
- B25 Sicilian Defense: Closed, Botvinnik Defense, Edge Variation 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 7.Nh3 Nge7
- B35 Sicilian Defense: Dragon Variation, Modern Bc4 Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 d6
- B76 Sicilian Defense: Dragon Variation, Yugoslav Attack 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O
- B75 Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6
- B42 Sicilian Defense: Kan Variation, Gipslis Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6
- B41 Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Nc6
- B96 Sicilian Defense: Najdorf Variation, Neo-Classical Defense 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nc6
- B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6
- B96 Sicilian Defense: Najdorf Variation, Polugaevsky Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5
- B84 Sicilian Defense: Najdorf Variation, Scheveningen Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Nbd7
- B63 Sicilian Defense: Richter-Rauzer Variation, Classical Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
- B63 Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Qb6
- B66 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 d6 5.Nf3 e6 6.Bc4 Nf6 7.O-O a6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 a6 7.O-O Nf6
- B87 Sicilian Defense: Sozin Attack, Flank Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5
- B20 Sicilian Defense: Wing Gambit, Romanian Defense 1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6
- B22 Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 cxd4 6.cxd4 e5 7.Nc3 Bb4 8.Be2
- B72 Sicilian Defense: Dragon Variation, Classical Variation, Amsterdam Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 g6 7.Be3 Bg7 8.Qd2
- B43 Sicilian Defense: Kan Variation, Wing Attack, Christiansen's Dream 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qb6 7.Be3 Bc5 8.Qg4
- B57 Sicilian Defense: Magnus Smith Trap 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 g6 7.Nxc6 bxc6 8.e5
- B82 Sicilian Defense: Scheveningen Variation, Tal Variation 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4 Nc6 7.Be3 Be7 8.Qf3
- B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Ndb5 Qb8 7.Be3 a6 8.Bb6
- B89 Sicilian Defense: Velimirovic Attack 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Be3 Be7 8.Qe2
- B22 Sicilian Defense: Alapin Variation, Stoltz Attack, Ivanchuk Line 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Bc4 Nb6 6.Bb3 c4 7.Bc2 Qc7 8.Qe2 g5
- B33 Sicilian Defense: Lasker-Pelikan Variation, 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 Sicilian Defense: Lasker-Pelikan Variation, 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
- B92 Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O Be6
- B92 Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O
- B98 Sicilian Defense: Najdorf Variation, Traditional 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
- B67 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7
- B85 Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e6 7.Be2 Qc7 8.O-O Nc6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Finegold Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 d6 6.Bc4 a6 7.O-O Be7 8.Qe2 Nf6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7 7.Qe2 a6 8.O-O Bd6
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense Deferred 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O b5 8.Bb3 Bc5
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7 7.Qe2 Nf6 8.O-O Ng4
- B21 Sicilian Defense: Smith-Morra Gambit Accepted, Sozin Formation 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Bc4 e6 6.Nf3 d6 7.O-O a6 8.Qe2 b5
- B44 Sicilian Defense: Taimanov Variation, Gary Gambit 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 d5
- B50 Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit 1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Be2 Nc6 5.d4 cxd4 6.cxd4 Nxe4 7.d5 Qa5+ 8.Nc3 Nxc3 9.bxc3
- B73 Sicilian Defense: Dragon Variation, Classical Variation, Battery Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Be3 Nc6 9.Qd2
- B72 Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 g6 7.Be3 Bg7 8.Qd2 O-O 9.O-O-O
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Normal Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Be3 Nc6 9.Nb3
- B77 Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line 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
- B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.O-O-O
- B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov 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.g4
- B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, 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 9.Nd5
- B51 Sicilian Defense: Moscow Variation, Moscow Gambit 1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.c3 Nf6 6.Re1 a6 7.Bxc6 Bxc6 8.d4 Bxe4 9.Bg5
- B90 Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.g4 e5 8.Nf5 g6 9.g5
- B88 Sicilian Defense: Sozin Attack, Fischer Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Bb3 Be7 8.Be3 O-O 9.f4
- B22 Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 Bg4 7.Nc3 Bxf3 8.gxf3 Qxd4 9.Qxd4 Nxd4
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.O-O d6 9.Nb3 a5
- B77 Sicilian Defense: Dragon Variation, 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 Sicilian Defense: Dragon Variation, Yugoslav Attack, Sosonko Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.Bc4 Nd7
- B98 Sicilian Defense: Najdorf Variation, 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 Sicilian Defense: Najdorf Variation, Goteborg 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
- B99 Sicilian Defense: Najdorf Variation, 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
- B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted 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
- B65 Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack 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
- B73 Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Bg7 6.Be2 Nf6 7.Nc3 O-O 8.O-O d6 9.f4 Qb6 10.e5
- B96 Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line 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
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Maróczy Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Be3 Nc6 9.Nb3 Be6 10.f4 Na5
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Tartakower Line 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Be3 Nc6 9.Nb3 Be6 10.f4 Qc8
- B77 Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.Bc4 Nxd4 10.Bxd4 Be6
- B78 Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line 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 Rc8
- B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk 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 Bg7
- B63 Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line 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 Nxd4 9.Qxd4 a6 10.f4 b5
- B85 Sicilian Defense: Scheveningen Variation, Classical Main Line 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O Nf6 8.Be3 Be7 9.f4 d6 10.Qe1 O-O
- B89 Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Be3 Be7 8.Bb3 O-O 9.O-O Na5 10.f4 b6
- B44 Sicilian Defense: Taimanov Variation, Modern Line 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
- B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice 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 11.Bxb5
- B69 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Spielmann Variation 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.Nb3 d6 9.O-O Be6 10.f4 Na5 11.f5 Bc4 12.Bd3
- B94 Sicilian Defense: Najdorf Variation, 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
- B79 Sicilian Defense: Dragon Variation, Yugoslav Attack, Soltis 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 Bd7 10.O-O-O Qa5 11.h4 Rfc8 12.Bb3 h5
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Bernard Defense 1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Bg7 7.O-O O-O 8.Be3 Nc6 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 Bxd3 13.cxd3 d5
- B74 Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack 1.e4 c5 2.Nc3 d6 3.f4 Nc6 4.Nf3 g6 5.d4 cxd4 6.Nxd4 Bg7 7.Be3 Nf6 8.Be2 O-O 9.Nb3 Be6 10.O-O Na5 11.f5 Bc4 12.Nxa5 Bxe2 13.Qxe2 Qxa5 14.g4