ECO volume B opening index

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Volume B holds 100 codes and 772 lines. Each code links through to the families it covers.

ECO is a code used to classify openings. It is one letter and two digits, and the letter names the volume.

B0083 lines

Families hereBarnes DefenseBorg DefenseCarr DefenseDuras GambitFried Fox DefenseGoldsmith DefenseHippopotamus DefenseKing's Pawn GameLemming DefenseLion DefenseNimzowitsch DefenseOwen DefensePirc DefenseRat DefenseSt. George DefenseVan Geet OpeningWare Defense

  • Barnes Defense1. e4 f62 moves
  • Borg Defense1. e4 g52 moves
  • Borg Gambit1. e4 g5 2. d4 Bg74 moves
  • Troon Gambit1. e4 g5 2. d4 h6 3. h4 g46 moves
  • Zilbermints Gambit1. e4 g5 2. d4 e54 moves
  • Carr Defense1. e4 h62 moves
  • Zilbermints Gambit1. e4 h6 2. d4 e54 moves
  • Duras Gambit1. e4 f52 moves
  • Fried Fox Defense1. e4 f6 2. d4 Kf74 moves
  • Goldsmith Defense1. e4 h52 moves
  • Picklepuss Defense1. e4 h5 2. d4 Nf64 moves
  • Hippopotamus Defense1. e4 Nh62 moves
  • Hippopotamus Defense1. e4 Nh6 2. d4 g6 3. c4 f66 moves
  • King's Pawn Game1. e41 moves
  • Lemming Defense1. e4 Na62 moves
  • Lion's Jaw1. e4 d6 2. d4 Nf6 3. f35 moves
  • Nimzowitsch Defense1. e4 Nc62 moves
  • Nimzowitsch Defense1. e4 Nc6 2. d43 moves
  • Breyer Variation1. e4 Nc6 2. Nc3 Nf6 3. d4 e56 moves
  • Colorado Countergambit1. e4 Nc6 2. Nf3 f54 moves
  • Colorado Countergambit Accepted1. e4 Nc6 2. Nf3 f5 3. exf55 moves
  • Declined Variation1. e4 Nc6 2. Nf33 moves
  • El Columpio Defense1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng46 moves
  • El Columpio Defense, El Columpio Gambit1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. e611 moves
  • El Columpio Defense, Exchange Variation1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. exd611 moves
  • El Columpio Defense, Pin Variation1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. Bb511 moves
  • Franco-Nimzowitsch Variation1. e4 Nc6 2. Nf3 e64 moves
  • French Connection1. e4 Nc6 2. Nc3 e64 moves
  • Hornung Gambit1. e4 Nc6 2. d4 d5 3. Be35 moves
  • Kennedy Variation1. e4 Nc6 2. d4 e54 moves
  • Kennedy Variation, Bielefelder Gambit1. e4 Nc6 2. d4 e5 3. dxe5 Bc56 moves
  • Kennedy Variation, Hammer Gambit1. e4 Nc6 2. d4 e5 3. dxe5 f66 moves
  • Kennedy Variation, Herford Gambit1. e4 Nc6 2. d4 e5 3. dxe5 Qh46 moves
  • Kennedy Variation, Keres Attack1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nc37 moves
  • Kennedy Variation, Linksspringer Variation1. e4 Nc6 2. d4 e5 3. d55 moves
  • Kennedy Variation, Main Line1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng68 moves
  • Kennedy Variation, Paulsen Attack1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf37 moves
  • Kennedy Variation, Riemann Defense1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc68 moves
  • Kennedy Variation, de Smet Gambit1. e4 Nc6 2. d4 e5 3. dxe5 d66 moves
  • Mikenas Variation1. e4 Nc6 2. d4 d64 moves
  • Neo-Mongoloid Defense1. e4 Nc6 2. d4 f64 moves
  • Pirc Connection1. e4 Nc6 2. Nc3 g64 moves
  • Pseudo-Spanish Variation1. e4 Nc6 2. Bb53 moves
  • Scandinavian Variation1. e4 Nc6 2. d4 d54 moves
  • Scandinavian Variation, Aachen Gambit1. e4 Nc6 2. d4 d5 3. exd5 Nb46 moves
  • Scandinavian Variation, Advance Variation1. e4 Nc6 2. d4 d5 3. e55 moves
  • Scandinavian Variation, Bogoljubow Variation1. e4 Nc6 2. d4 d5 3. Nc35 moves
  • Scandinavian Variation, Bogoljubow Variation1. e4 Nc6 2. d4 d5 3. Nc3 dxe46 moves
  • Scandinavian Variation, Bogoljubow Variation, Brandics Gambit1. e4 Nc6 2. d4 d5 3. Nc3 a66 moves
  • Scandinavian Variation, Bogoljubow Variation, Erben Gambit1. e4 Nc6 2. d4 d5 3. Nc3 g66 moves
  • Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit1. e4 Nc6 2. d4 d5 3. Nc3 e56 moves
  • Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne58 moves
  • Scandinavian Variation, Bogoljubow Variation, Richter Gambit1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f39 moves
  • Scandinavian Variation, Bogoljubow Variation, Vehre Variation1. e4 Nc6 2. d4 d5 3. Nc3 Nf66 moves
  • Scandinavian Variation, Exchange Variation1. e4 Nc6 2. d4 d5 3. exd5 Qxd56 moves
  • Scandinavian Variation, Exchange Variation, Marshall Gambit1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc37 moves
  • Wheeler Gambit1. e4 Nc6 2. b43 moves
  • Williams Variation1. e4 Nc6 2. Nf3 d64 moves
  • Woodchuck Variation1. e4 Nc6 2. d4 a64 moves
  • Owen Defense1. e4 b62 moves
  • Guatemala Defense1. e4 b6 2. d4 Ba64 moves
  • Hekili-Loa Gambit1. e4 b6 2. d4 c5 3. dxc5 Nc66 moves
  • Matovinsky Gambit1. e4 b6 2. d4 Bb7 3. Bd3 f5 4. exf5 Bxg2 5. Qh5+ g610 moves
  • Naselwaus Gambit1. e4 b6 2. d4 Bb7 3. Bg55 moves
  • Smith Gambit1. e4 b6 2. d4 Bb7 3. Nf35 moves
  • Unicorn Variation1. e4 f6 2. d4 b6 3. c4 Bb76 moves
  • Wind Gambit1. e4 b6 2. d4 Bb7 3. f3 e56 moves
  • Pirc Defense1. e4 d62 moves
  • Pirc Defense1. e4 d6 2. d43 moves
  • Pirc Defense1. e4 d6 2. d4 Nf64 moves
  • Roscher Gambit1. e4 d6 2. d4 Nf6 3. Nf35 moves
  • Antal Defense1. e4 d6 2. d4 Nd74 moves
  • Fuller Gambit1. e4 d6 2. f4 d5 3. exd5 Nf66 moves
  • Harmonist1. e4 d6 2. f43 moves
  • Petruccioli Attack1. e4 d6 2. h43 moves
  • Spike Attack1. e4 d6 2. g43 moves
  • St. George Defense1. e4 a62 moves
  • Polish Variation1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e68 moves
  • San Jorge Variation1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg712 moves
  • Zilbermints Gambit1. e4 a6 2. d4 e54 moves
  • Berlin Gambit1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d57 moves
  • Ware Defense1. e4 a52 moves
  • Snagglepuss Defense1. e4 a5 2. d4 Nc64 moves

B0146 lines

Families hereScandinavian DefenseVan Geet Opening

  • Scandinavian Defense1. e4 d52 moves
  • Scandinavian Defense1. e4 d5 2. b33 moves
  • Anderssen Counterattack1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e58 moves
  • Anderssen Counterattack, Collijn Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg410 moves
  • Anderssen Counterattack, Goteborg System1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf39 moves
  • Anderssen Counterattack, Orthodox Attack1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd213 moves
  • Blackburne Gambit1. e4 d5 2. exd5 c6 3. dxc6 Nxc66 moves
  • Blackburne-Kloosterboer Gambit1. e4 d5 2. exd5 c64 moves
  • Boehnke Gambit1. e4 d5 2. exd5 e5 3. dxe6 Bxe66 moves
  • Bronstein Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a610 moves
  • Classical Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf510 moves
  • Grünfeld Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g413 moves
  • Gubinsky-Melts Defense1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd66 moves
  • Icelandic-Palme Gambit1. e4 d5 2. exd5 Nf6 3. c4 e66 moves
  • Kiel Variation1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb48 moves
  • Kloosterboer Gambit1. e4 d5 2. exd5 c6 3. dxc6 e56 moves
  • Kádas Gambit1. e4 d5 2. exd5 Nf6 3. d4 c6 4. dxc6 e58 moves
  • Lasker Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h311 moves
  • Main Line1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa56 moves
  • Main Line, Leonhardt Gambit1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b47 moves
  • Main Line, Mieses Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf68 moves
  • Marshall Variation1. e4 d5 2. exd5 Nf6 3. d4 Nxd56 moves
  • Mieses-Kotroc Variation1. e4 d5 2. exd5 Qxd54 moves
  • Modern Variation1. e4 d5 2. exd5 Nf64 moves
  • Modern Variation1. e4 d5 2. exd5 Nf6 3. d45 moves
  • Modern Variation, Gipslis Variation1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg48 moves
  • Modern Variation, Wing Gambit1. e4 d5 2. exd5 Nf6 3. d4 g6 4. c4 b58 moves
  • Panov Transfer1. e4 d5 2. exd5 Nf6 3. c4 c66 moves
  • Portuguese Gambit1. e4 d5 2. exd5 Nf6 3. d4 Bg46 moves
  • Portuguese Gambit, Banker Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c49 moves
  • Portuguese Gambit, Classical Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf37 moves
  • Portuguese Gambit, Correspondence Refutation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. g49 moves
  • Portuguese Gambit, Elbow Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ c68 moves
  • Portuguese Gambit, Jadoul Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c411 moves
  • Portuguese Gambit, Lusophobe Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ Nbd7 5. Be29 moves
  • Portuguese Gambit, Melbourne Shuffle Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. Nc311 moves
  • Portuguese Gambit, Wuss Variation1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be27 moves
  • Richter Variation1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g68 moves
  • Richter Variation1. e4 d5 2. exd5 Nf6 3. d4 g66 moves
  • Schiller-Pytel Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c68 moves
  • Schiller-Pytel Variation, Modern Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 c6 6. Nge2 Bf5 7. Bf4 Qb414 moves
  • Valencian Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd86 moves
  • Valencian Variation, Ilundain Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 c610 moves
  • Valencian Variation, Main Line1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg410 moves
  • Zilbermints Gambit1. e4 d5 2. b43 moves
  • Grünfeld Defense1. e4 d5 2. Nc3 dxe4 3. Nxe4 e56 moves

B0227 lines

Families hereAlekhine Defense

  • Alekhine Defense1. e4 Nf62 moves
  • Brooklyn Variation1. e4 Nf6 2. e5 Ng84 moves
  • Brooklyn Variation, Everglades Variation1. e4 Nf6 2. e5 Ng8 3. d4 f56 moves
  • Buckley Attack1. e4 Nf6 2. e5 Nd5 3. Na35 moves
  • Hunt Variation, Lasker Simul Gambit1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc311 moves
  • Hunt Variation, Matsukevich Gambit1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bg513 moves
  • Hunt Variation, Mikenas Gambit1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 7. Nxd5 exd5 8. Bxd515 moves
  • Kmoch Variation1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d39 moves
  • Krejcik Variation1. e4 Nf6 2. Bc43 moves
  • Krejcik Variation, Krejcik Gambit1. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+5 moves
  • Maróczy Variation1. e4 Nf6 2. d33 moves
  • Mokele Mbembe1. e4 Nf6 2. e5 Ne44 moves
  • Mokele Mbembe, Modern Line1. e4 Nf6 2. e5 Ne4 3. d4 f66 moves
  • Mokele Mbembe, Vavra Defense1. e4 Nf6 2. e5 Ne4 3. d4 e66 moves
  • Normal Variation1. e4 Nf6 2. e5 Nd54 moves
  • Scandinavian Variation1. e4 Nf6 2. Nc3 d54 moves
  • Scandinavian Variation, Geschev Gambit1. e4 Nf6 2. Nc3 d5 3. exd5 c66 moves
  • Scandinavian Variation, Myers Gambit1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Bg57 moves
  • Spielmann Gambit1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e67 moves
  • Steiner Variation1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b37 moves
  • Sämisch Attack1. e4 Nf6 2. e5 Nd5 3. Nc35 moves
  • The Squirrel1. e4 Nf6 2. e5 Nd5 3. c4 Nf46 moves
  • Two Pawns Attack1. e4 Nf6 2. e5 Nd5 3. c45 moves
  • Two Pawns Attack, Lasker Variation1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c57 moves
  • Two Pawns Attack, Mikenas Variation1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d612 moves
  • Two Pawns Attack, Tate Variation1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. a47 moves
  • Welling Variation1. e4 Nf6 2. e5 Nd5 3. b35 moves

B0318 lines

Families hereAlekhine Defense

  • Alekhine Defense1. e4 Nf6 2. e5 Nd5 3. d45 moves
  • Alekhine Defense1. e4 Nf6 2. e5 Nd5 3. d4 d66 moves
  • Alekhine Defense1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c47 moves
  • Balogh Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc47 moves
  • Exchange Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd69 moves
  • Exchange Variation, Karpov Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 O-O 9. Be2 Nc6 10. O-O Bf5 11. Bf421 moves
  • Exchange Variation, Voronezh Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b317 moves
  • Four Pawns Attack1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f49 moves
  • Four Pawns Attack, Cambridge Gambit1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g510 moves
  • Four Pawns Attack, Fianchetto Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g610 moves
  • Four Pawns Attack, Ilyin-Zhenevsky Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. e6 fxe6 9. c517 moves
  • Four Pawns Attack, Korchnoi Variation1. 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 f620 moves
  • Four Pawns Attack, Main Line1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be313 moves
  • Four Pawns Attack, Tartakower Variation1. 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 Be722 moves
  • Four Pawns Attack, Trifunovic Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf510 moves
  • Hunt Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. c59 moves
  • Modern Variation, Alekhine Gambit1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be211 moves
  • O'Sullivan Gambit1. e4 Nf6 2. e5 Nd5 3. d4 b56 moves

B046 lines

Families hereAlekhine Defense

  • Modern Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf37 moves
  • Modern Variation, Alburt Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g68 moves
  • Modern Variation, Keres Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a413 moves
  • Modern Variation, Larsen Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe58 moves
  • Modern Variation, Larsen-Haakert Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc68 moves
  • Modern Variation, Schmid Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb68 moves

B055 lines

Families hereAlekhine Defense

  • Modern Variation, Alekhine Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c49 moves
  • Modern Variation, Flohr Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c610 moves
  • Modern Variation, Main Line1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg48 moves
  • Modern Variation, Panov Variation1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h39 moves
  • Modern Variation, Vitolins Attack1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. d511 moves

B0645 lines

Families hereModern DefensePterodactyl DefenseRat Defense

  • Modern Defense1. e4 g62 moves
  • Modern Defense1. e4 g6 2. d4 Bg74 moves
  • Anti-Modern1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Qe29 moves
  • Bishop Attack1. e4 g6 2. d4 Bg7 3. Bc45 moves
  • Bishop Attack, Bücker Gambit1. e4 g6 2. d4 Bg7 3. Bc4 b56 moves
  • Bishop Attack, Monkey's Bum1. e4 g6 2. Bc4 Bg7 3. Qf3 e6 4. d4 Bxd48 moves
  • Dunworthy Variation1. e4 g6 2. d4 Bg7 3. c4 d5 4. exd5 c6 5. dxc6 Bxd410 moves
  • Fianchetto Gambit1. e4 g6 2. d4 f54 moves
  • Gurgenidze Defense1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h510 moves
  • Lizard Defense, Mittenberger Gambit1. e4 g6 2. d4 Bg7 3. Nc3 d56 moves
  • Masur Gambit1. e4 g6 2. d4 Nh6 3. Nc3 f5 4. Bxh6 Bxh6 5. exf5 O-O10 moves
  • Modern Pterodactyl1. e4 g6 2. d4 Bg7 3. Nc3 c56 moves
  • Mongredien Defense, with Nc31. e4 g6 2. d4 Bg7 3. Nc3 b66 moves
  • Mongredien Defense, with Nf31. e4 g6 2. d4 Bg7 3. Nf3 b66 moves
  • Norwegian Defense1. e4 g6 2. d4 Nf64 moves
  • Norwegian Defense, Norwegian Gambit1. e4 g6 2. d4 Nf6 3. e5 Nh5 4. Be2 d68 moves
  • Pseudo-Austrian Attack1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f47 moves
  • Semi-Averbakh Variation, Pterodactyl Variation Declined1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nf3 d6 5. Be2 Qa5+10 moves
  • Standard Defense1. e4 g6 2. d4 Bg7 3. Nc3 d66 moves
  • Standard Line1. e4 g6 2. d4 Bg7 3. Nc35 moves
  • Three Pawns Attack1. e4 g6 2. d4 Bg7 3. f45 moves
  • Two Knights Variation1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf37 moves
  • Two Knights Variation, Suttles Variation1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d68 moves
  • Two Knights Variation, Suttles Variation, Tal Gambit1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. Bg5 Qb6 6. Qd2 Qxb212 moves
  • Westermann Gambit1. e4 g6 2. d4 Bg7 3. Bd25 moves
  • Wind Gambit1. e4 g6 2. d4 Bg7 3. Bd35 moves
  • Austrian, Austriadactylus Western1. e4 g6 2. d4 Bg7 3. f4 c5 4. Nf3 Qa5+8 moves
  • Austrian, Grand Prix Pterodactyl1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Qa58 moves
  • Austrian, Pteranodon1. e4 g6 2. d4 Bg7 3. f4 c5 4. c3 Qa58 moves
  • Central, Anhanguera1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa510 moves
  • Central, Benoni Quetzalcoatlus1. e4 g6 2. d4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Qa510 moves
  • Central, Quetzalcoatlus Gambit1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. dxc5 Qa510 moves
  • Eastern, Anhanguera1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be37 moves
  • Eastern, Benoni1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d57 moves
  • Eastern, Benoni Pteranodon1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa510 moves
  • Eastern, Benoni Pterodactyl1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 Qa58 moves
  • Eastern, Pteranodon1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa510 moves
  • Eastern, Rhamphorhynchus1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa58 moves
  • Fianchetto, King Pterodactyl1. e4 g6 2. d4 Bg7 3. g3 c5 4. Nf3 Qa5+8 moves
  • Fianchetto, Rhamphorhynchus1. e4 g6 2. d4 Bg7 3. g3 c5 4. dxc5 Qa5+8 moves
  • Sicilian, Quetzalcoatlus1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d610 moves
  • Sicilian, Siroccopteryx1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Bc49 moves
  • Western, Anhanguera1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Qa5+8 moves
  • Western, Siroccopteryx1. e4 g6 2. Nf3 Bg7 3. d4 c5 4. Bc4 cxd4 5. Nxd4 Qa5+10 moves
  • Accelerated Gurgenidze1. e4 g6 2. d4 d6 3. Nc3 c66 moves

B0717 lines

Families hereCzech DefenseKing's Pawn GameLion DefenseModern DefensePirc Defense

  • Czech Defense1. e4 d6 2. d4 Nf6 3. Nc3 c66 moves
  • Maróczy Defense1. e4 d6 2. d4 e54 moves
  • Lion Defense1. e4 d6 2. d4 Nf6 3. Nc3 Nbd76 moves
  • Anti-Philidor1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f47 moves
  • Anti-Philidor, Lion's Cave1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e58 moves
  • Anti-Philidor, Lion's Cave, Lion Claw Gambit1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 d514 moves
  • Bayonet Attack1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. g47 moves
  • Geller's System1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c37 moves
  • Pirc Defense1. e4 d6 2. d4 Nf6 3. Nc3 g66 moves
  • 150 Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd29 moves
  • 150 Attack, Inner Doll Defense1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Bg410 moves
  • 150 Attack, Sveshnikov-Jansa Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h39 moves
  • Bayonet Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h49 moves
  • Byrne Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg57 moves
  • Chinese Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g49 moves
  • Kholmov System1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc47 moves
  • Sveshnikov System1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g37 moves

B087 lines

Families herePirc Defense

  • Classical Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf37 moves
  • Classical Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg78 moves
  • Classical Variation, Quiet System1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be29 moves
  • Classical Variation, Quiet System, Chigorin Line1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc612 moves
  • Classical Variation, Quiet System, Czech Defense1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c612 moves
  • Classical Variation, Quiet System, Parma Defense1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg412 moves
  • Classical Variation, Schlechter Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h39 moves

B098 lines

Families herePirc Defense

  • Austrian Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f47 moves
  • Austrian Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O10 moves
  • Austrian Attack, Dragon Formation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c510 moves
  • Austrian Attack, Kurajica Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be311 moves
  • Austrian Attack, Ljubojevic Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bc49 moves
  • Austrian Attack, Unzicker Attack1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e511 moves
  • Austrian Attack, Unzicker Attack, Bronstein Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. h413 moves
  • Austrian Attack, Weiss Variation1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd311 moves

B1029 lines

Families hereCaro-Kann Defense

  • Caro-Kann Defense1. e4 c62 moves
  • Caro-Kann Defense1. e4 c6 2. Nc33 moves
  • Caro-Kann Defense1. e4 c6 2. Nc3 d54 moves
  • Accelerated Panov Attack1. e4 c6 2. c43 moves
  • Accelerated Panov Attack1. e4 c6 2. c4 d54 moves
  • Accelerated Panov Attack, Modern Variation1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf68 moves
  • Accelerated Panov Attack, Open Variation1. e4 c6 2. c4 e54 moves
  • Accelerated Panov Attack, Pseudo-Scandinavian1. e4 c6 2. c4 d5 3. exd5 Qxd56 moves
  • Accelerated Panov Attack, Van Weersel Attack1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qb37 moves
  • Apocalypse Attack1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne57 moves
  • Breyer Variation1. e4 c6 2. d33 moves
  • Breyer Variation, Stein Attack1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. Bg2 Ne7 7. O-O O-O 8. b415 moves
  • Dinic Gambit1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. Ng57 moves
  • Endgame Offer1. e4 c6 2. Nf3 d5 3. d35 moves
  • Endgame Variation1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd19 moves
  • Euwe Attack1. e4 c6 2. b33 moves
  • Goldman Variation1. e4 c6 2. Nc3 d5 3. Qf35 moves
  • Hector Gambit1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Ng57 moves
  • Hillbilly Attack1. e4 c6 2. Bc43 moves
  • Hillbilly Attack, Schaeffer Gambit1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh57 moves
  • Labahn Attack1. e4 c6 2. b43 moves
  • Labahn Attack, Double Gambit1. e4 c6 2. b4 d5 3. b55 moves
  • Labahn Attack, Polish Variation1. e4 c6 2. b4 e5 3. Bb25 moves
  • Scorpion-Horus Gambit1. e4 c6 2. Nc3 d5 3. d3 dxe4 4. Bg57 moves
  • Spike Variation1. e4 c6 2. g43 moves
  • Spike Variation, Scorpion-Grob Gambit1. e4 c6 2. g4 d5 3. Nc3 dxe4 4. d37 moves
  • St. Patrick's Attack1. e4 c6 2. Nc3 d5 3. h35 moves
  • Toikkanen Gambit1. e4 c6 2. c4 d5 3. e55 moves
  • Two Knights Attack1. e4 c6 2. Nc3 d5 3. Nf35 moves

B113 lines

Families hereCaro-Kann Defense

  • Two Knights Attack, Mindeno Variation1. e4 c6 2. Nc3 d5 3. Nf3 Bg46 moves
  • Two Knights Attack, Mindeno Variation, Exchange Line1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf38 moves
  • Two Knights Attack, Mindeno Variation, Retreat Line1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh58 moves

B1224 lines

Families hereCaro-Kann Defense

  • Caro-Kann Defense1. e4 c6 2. d43 moves
  • Caro-Kann Defense1. e4 c6 2. d4 d54 moves
  • Advance Variation1. e4 c6 2. d4 d5 3. e55 moves
  • Advance Variation, Bayonet Attack1. e4 c6 2. d4 d5 3. e5 Bf5 4. g47 moves
  • Advance Variation, Botvinnik-Carls Defense1. e4 c6 2. d4 d5 3. e5 c56 moves
  • Advance Variation, Bronstein Variation1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne27 moves
  • Advance Variation, Prins Attack1. e4 c6 2. d4 d5 3. e5 Bf5 4. b47 moves
  • Advance Variation, Short Variation1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf37 moves
  • Advance Variation, Tal Variation1. e4 c6 2. d4 d5 3. e5 Bf5 4. h47 moves
  • Advance Variation, Van der Wiel Attack1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc37 moves
  • Advance Variation, Van der Wiel Attack1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h413 moves
  • Advance Variation, Van der Wiel Attack, Dreyev Defense1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 Qb68 moves
  • Advance, Short Variation1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be29 moves
  • De Bruycker Defense1. e4 c6 2. d4 Na64 moves
  • De Bruycker Defense1. e4 c6 2. d4 Na6 3. Nc3 Nc76 moves
  • Edinburgh Variation1. e4 c6 2. d4 d5 3. Nd2 Qb66 moves
  • Maróczy Variation1. e4 c6 2. d4 d5 3. f35 moves
  • Maróczy Variation, Maróczy Gambit1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc411 moves
  • Masi Variation1. e4 c6 2. d4 Nf64 moves
  • Massachusetts Defense1. e4 c6 2. d4 f54 moves
  • Mieses Attack, Landau Gambit1. e4 c6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. e69 moves
  • Mieses Gambit1. e4 c6 2. d4 d5 3. Be35 moves
  • Modern Variation1. e4 c6 2. d4 d5 3. Nd25 moves
  • Ulysses Gambit1. e4 c6 2. d4 d5 3. Nf3 dxe4 4. Ng57 moves

B1315 lines

Families hereCaro-Kann Defense

  • Exchange Variation1. e4 c6 2. d4 d5 3. exd55 moves
  • Exchange Variation1. e4 c6 2. d4 d5 3. exd5 cxd56 moves
  • Exchange Variation1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf47 moves
  • Exchange Variation1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc68 moves
  • Exchange Variation, Bulla Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. g47 moves
  • Exchange Variation, Rubinstein Variation1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf411 moves
  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c47 moves
  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc39 moves
  • Panov Attack, Gunderam Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c59 moves
  • Panov Attack, Modern Defense1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc610 moves
  • Panov Attack, Modern Defense, Carlsbad Line1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e612 moves
  • Panov Attack, Modern Defense, Czerniak Line1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa512 moves
  • Panov Attack, Modern Defense, Mieses Line1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg412 moves
  • Panov Attack, Modern Defense, Reifir-Spielmann Line1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qb612 moves
  • Panov-Botvinnik, Herzog Defense1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. d5 Na514 moves

B147 lines

Families hereCaro-Kann Defense

  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e610 moves
  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nc6 5. Nc3 Nf6 6. Nf3 e6 7. cxd5 exd5 8. Bb5 Bg416 moves
  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nc6 5. Nc3 Nf6 6. Nf3 e6 7. cxd5 exd5 8. Bb5 Bd6 9. Bg5 O-O 10. O-O19 moves
  • Panov Attack1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 e6 7. c513 moves
  • Panov Attack, Fianchetto Defense1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g610 moves
  • Panov Attack, Fianchetto Defense, Fianchetto Gambit1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg712 moves
  • Panov Attack, Main Line1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb412 moves

B1513 lines

Families hereCaro-Kann Defense

  • Caro-Kann Defense1. e4 c6 2. d4 d5 3. Nc35 moves
  • Caro-Kann Defense1. e4 c6 2. d4 d5 3. Nc3 dxe46 moves
  • Alekhine Gambit1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd39 moves
  • Alien Gambit1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng5 h6 6. Nxf711 moves
  • Campomanes Attack1. e4 c6 2. d4 d5 3. Nc3 Nf66 moves
  • Forgacs Variation1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc411 moves
  • Gurgenidze Counterattack1. e4 c6 2. d4 d5 3. Nc3 b56 moves
  • Gurgenidze System1. e4 c6 2. d4 d5 3. Nc3 g66 moves
  • Main Line1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe47 moves
  • Rasa-Studier Gambit1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f37 moves
  • Tartakower Variation1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf610 moves
  • Tartakower Variation, Perlis Line1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 h616 moves
  • von Hennig Gambit1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc47 moves

B162 lines

Families hereCaro-Kann Defense

  • Bronstein-Larsen Variation1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf610 moves
  • Finnish Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 h68 moves

B178 lines

Families hereCaro-Kann Defense

  • Karpov Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd78 moves
  • Karpov Variation, Modern Main Line1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 Bd6 8. Qe2 h6 9. Ne4 Nxe4 10. Qxe419 moves
  • Karpov Variation, Modern Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng59 moves
  • Karpov Variation, Modern Variation, Ivanchuk Defense1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ndf610 moves
  • Karpov Variation, Modern Variation, Kasparov Attack1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng311 moves
  • Karpov Variation, Smyslov Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb614 moves
  • Karpov Variation, Smyslov Variation, Main Line1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb315 moves
  • Karpov Variation, Tiviakov-Fischer Attack1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf612 moves

B185 lines

Families hereCaro-Kann Defense

  • Classical Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf58 moves
  • Classical Variation, Flohr Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh311 moves
  • Classical Variation, Main Line1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h411 moves
  • Classical Variation, Maróczy Attack1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f411 moves
  • Martian Gambit1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng5 Bg6 6. N1f3 h6 7. Ne613 moves

B194 lines

Families hereCaro-Kann Defense

  • Classical Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd714 moves
  • Classical Variation, Lobron System1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be724 moves
  • Classical Variation, Seirawan Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. O-O-O Bd624 moves
  • Classical Variation, Spassky Variation1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h515 moves

B2027 lines

Families hereSicilian Defense

  • Sicilian Defense1. e4 c52 moves
  • Amazon Attack1. e4 c5 2. Qg43 moves
  • Big Clamp Formation1. e4 c5 2. d3 Nc6 3. c3 d6 4. f47 moves
  • Bowdler Attack1. e4 c5 2. Bc43 moves
  • Brick Variation1. e4 c5 2. Nh33 moves
  • Czerniak Attack1. e4 c5 2. b33 moves
  • Czerniak Attack, Queen Fianchetto Variation1. e4 c5 2. b3 b64 moves
  • Euwe Attack, Prins Gambit1. e4 c5 2. b3 d5 3. Bb25 moves
  • Gloria Variation1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h58 moves
  • Grob Variation1. e4 c5 2. g43 moves
  • Keres Variation1. e4 c5 2. Ne23 moves
  • King David's Opening1. e4 c5 2. Ke23 moves
  • Kronberger Variation1. e4 c5 2. Na33 moves
  • Kronberger Variation, Nemeth Gambit1. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc47 moves
  • Lasker-Dunne Attack1. e4 c5 2. g33 moves
  • Mengarini Variation1. e4 c5 2. a33 moves
  • Myers Attack, with a41. e4 c5 2. a43 moves
  • Myers Attack, with h41. e4 c5 2. h43 moves
  • Staunton-Cochrane Variation1. e4 c5 2. c43 moves
  • Wing Gambit1. e4 c5 2. b43 moves
  • Wing Gambit, Abrahams Variation1. e4 c5 2. b4 cxb4 3. Bb25 moves
  • Wing Gambit, Carlsbad Variation1. e4 c5 2. b4 cxb4 3. a3 bxa36 moves
  • Wing Gambit, Marienbad Variation1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb29 moves
  • Wing Gambit, Marshall Variation1. e4 c5 2. b4 cxb4 3. a35 moves
  • Wing Gambit, Nanu Gambit1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. c4 Qe6 7. Bd313 moves
  • Wing Gambit, Romanian Defense1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe614 moves
  • Wing Gambit, Santasiere Variation1. e4 c5 2. b4 cxb4 3. c45 moves

B2137 lines

Families hereBird OpeningSicilian Defense

  • Dutch Variation, Batavo Gambit1. e4 c5 2. f4 d5 3. Nf3 dxe46 moves
  • Coles Sicilian Gambit1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bc49 moves
  • Halasz Gambit1. e4 c5 2. d4 cxd4 3. f45 moves
  • McDonnell Attack1. e4 c5 2. f43 moves
  • McDonnell Attack, Tal Gambit1. e4 c5 2. f4 d5 3. exd5 Nf66 moves
  • McDonnell Attack, Toilet Variation1. e4 c5 2. f4 d5 3. Nc35 moves
  • Morphy Gambit1. e4 c5 2. d4 cxd4 3. Nf35 moves
  • Morphy Gambit, Andreaschek Gambit1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c37 moves
  • Smith-Morra Gambit1. e4 c5 2. d43 moves
  • Smith-Morra Gambit1. e4 c5 2. d4 cxd4 3. c35 moves
  • Smith-Morra Gambit Accepted1. e4 c5 2. d4 cxd4 3. c3 dxc36 moves
  • Smith-Morra Gambit Accepted, Chicago Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. O-O a6 8. Qe2 b5 9. Bb3 Ra718 moves
  • Smith-Morra Gambit Accepted, Chicago Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Bc4 Nf6 7. O-O a614 moves
  • Smith-Morra Gambit Accepted, Classical Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. O-O Nf614 moves
  • Smith-Morra Gambit Accepted, Danish Variation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf37 moves
  • Smith-Morra Gambit Accepted, Fianchetto Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g68 moves
  • Smith-Morra Gambit Accepted, Fianchetto Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g610 moves
  • Smith-Morra Gambit Accepted, Fianchetto Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g612 moves
  • Smith-Morra Gambit Accepted, Fianchetto Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 g610 moves
  • Smith-Morra Gambit Accepted, Finegold Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 d6 6. Bc4 a6 7. O-O Be7 8. Qe2 Nf616 moves
  • Smith-Morra Gambit Accepted, Kan Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a610 moves
  • Smith-Morra Gambit Accepted, Larsen Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 a6 8. O-O Bd616 moves
  • Smith-Morra Gambit Accepted, Morphy Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bc512 moves
  • Smith-Morra Gambit Accepted, Morphy Defense Deferred1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O b5 8. Bb3 Bc516 moves
  • Smith-Morra Gambit Accepted, Paulsen Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a612 moves
  • Smith-Morra Gambit Accepted, Pin Defense1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb412 moves
  • Smith-Morra Gambit Accepted, Scheveningen Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e612 moves
  • Smith-Morra Gambit Accepted, Siberian Variation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc712 moves
  • Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 Nf6 8. O-O Ng416 moves
  • Smith-Morra Gambit Accepted, Sozin Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. O-O a6 8. Qe2 b516 moves
  • Smith-Morra Gambit Accepted, Taimanov Formation1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 Ne712 moves
  • Smith-Morra Gambit Declined, Alapin Formation1. e4 c5 2. d4 cxd4 3. c3 Nf66 moves
  • Smith-Morra Gambit Declined, Center Formation1. e4 c5 2. d4 cxd4 3. c3 e56 moves
  • Smith-Morra Gambit Declined, Dubois Variation1. e4 c5 2. d4 cxd4 3. c3 d3 4. c47 moves
  • Smith-Morra Gambit Declined, Push Variation1. e4 c5 2. d4 cxd4 3. c3 d36 moves
  • Smith-Morra Gambit Declined, Scandinavian Formation1. e4 c5 2. d4 cxd4 3. c3 d56 moves
  • Smith-Morra Gambit Declined, Wing Formation1. e4 c5 2. d4 cxd4 3. c3 Qa56 moves

B2215 lines

Families hereSicilian Defense

  • Alapin Variation1. e4 c5 2. c33 moves
  • Alapin Variation, Anti-Alapin Gambit1. e4 c5 2. c3 d5 3. exd5 Nf66 moves
  • Alapin Variation, Barmen Defense1. e4 c5 2. c3 d5 3. exd5 Qxd56 moves
  • Alapin Variation, Barmen Defense1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf39 moves
  • Alapin Variation, Barmen Defense1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf39 moves
  • Alapin Variation, Barmen Defense, Central Exchange1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg412 moves
  • Alapin Variation, Barmen Defense, Endgame Variation1. 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 Nxd418 moves
  • Alapin Variation, Barmen Defense, Milner-Barry Attack1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 e5 7. Nc3 Bb4 8. Be215 moves
  • Alapin Variation, Barmen Defense, Modern Line1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg410 moves
  • Alapin Variation, Smith-Morra Declined1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd48 moves
  • Alapin Variation, Stoltz Attack1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb311 moves
  • Alapin Variation, Stoltz Attack, Ivanchuk Line1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2 g516 moves
  • Delayed Alapin Variation1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf610 moves
  • Delayed Alapin Variation1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. O-O Bd6 7. d413 moves
  • Heidenfeld Variation1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na39 moves

B2311 lines

Families hereSicilian Defense

  • Closed1. e4 c5 2. Nc33 moves
  • Closed1. e4 c5 2. Nc3 e64 moves
  • Closed1. e4 c5 2. Nc3 e6 3. g35 moves
  • Closed, Carlsen Variation1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd29 moves
  • Closed, Chameleon Variation1. e4 c5 2. Nc3 Nc6 3. Nge25 moves
  • Closed, Grob Attack1. e4 c5 2. Nc3 Nc6 3. g45 moves
  • Closed, Korchnoi Defense1. e4 c5 2. Nc3 e6 3. g3 d56 moves
  • Closed, Portland Attack1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g47 moves
  • Closed, Traditional1. e4 c5 2. Nc3 Nc64 moves
  • Grand Prix Attack1. e4 c5 2. Nc3 Nc6 3. f45 moves
  • Grand Prix Attack, Schofman Variation1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f511 moves

B244 lines

Families hereSicilian Defense

  • Closed1. e4 c5 2. Nc3 Nc6 3. g3 g66 moves
  • Closed1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg78 moves
  • Closed, Fianchetto Variation1. e4 c5 2. Nc3 Nc6 3. g35 moves
  • Closed, Smyslov Variation1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce213 moves

B255 lines

Families hereSicilian Defense

  • Closed1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d610 moves
  • Closed1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f411 moves
  • Closed, Botvinnik Defense, Edge Variation1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge714 moves
  • Closed, Botvinnik Defense, with Nge21. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e512 moves
  • Closed, Botvinnik Defense, with f41. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e512 moves

B261 lines

Families hereSicilian Defense

  • Closed1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be311 moves

B2723 lines

Families hereModern DefensePterodactyl DefenseSicilian Defense

  • Pterodactyl Variation1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa58 moves
  • Sicilian, Anhanguera1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be39 moves
  • Sicilian, Benoni Gambit1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. d59 moves
  • Sicilian, Pteranodon1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc311 moves
  • Sicilian, Rhamphorhynchus1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc39 moves
  • Sicilian, Unpin1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd29 moves
  • Western, Pterodactyl1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 Qa58 moves
  • Western, Rhamphorhynchus1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+8 moves
  • Sicilian Defense1. e4 c5 2. Nf33 moves
  • Acton Extension1. e4 c5 2. Nf3 g6 3. c4 Bh66 moves
  • Brussels Gambit1. e4 c5 2. Nf3 f54 moves
  • Bücker Variation1. e4 c5 2. Nf3 h64 moves
  • Double-Dutch Gambit1. e4 c5 2. Nf3 f5 3. exf5 Nh66 moves
  • Frederico Variation1. e4 c5 2. Nf3 g6 3. d4 f56 moves
  • Hyperaccelerated Dragon1. e4 c5 2. Nf3 g64 moves
  • Hyperaccelerated Dragon1. e4 c5 2. Nf3 g6 3. d45 moves
  • Hyperaccelerated Pterodactyl1. e4 c5 2. Nf3 g6 3. d4 Bg76 moves
  • Hyperaccelerated Pterodactyl, Exchange Variation1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3 Qxc3+12 moves
  • Jalalabad Variation1. e4 c5 2. Nf3 e54 moves
  • Katalimov Variation1. e4 c5 2. Nf3 b64 moves
  • Mongoose Variation1. e4 c5 2. Nf3 Qa54 moves
  • Polish Gambit1. e4 c5 2. Nf3 b54 moves
  • Quinteros Variation1. e4 c5 2. Nf3 Qc74 moves

B2820 lines

Families hereSicilian Defense

  • O'Kelly Variation1. e4 c5 2. Nf3 a64 moves
  • O'Kelly Variation, Aronin System1. e4 c5 2. Nf3 a6 3. Be25 moves
  • O'Kelly Variation, Kieseritzky System1. e4 c5 2. Nf3 a6 3. b35 moves
  • O'Kelly Variation, Maróczy Bind1. e4 c5 2. Nf3 a6 3. c45 moves
  • O'Kelly Variation, Maróczy Bind, Paulsen Line1. e4 c5 2. Nf3 a6 3. c4 e66 moves
  • O'Kelly Variation, Maróczy Bind, Robatsch Line1. e4 c5 2. Nf3 a6 3. c4 d66 moves
  • O'Kelly Variation, Normal System1. e4 c5 2. Nf3 a6 3. d45 moves
  • O'Kelly Variation, Normal System, Cortlever Gambit1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc47 moves
  • O'Kelly Variation, Normal System, Smith-Morra Line1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c37 moves
  • O'Kelly Variation, Normal System, Taimanov Line1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e58 moves
  • O'Kelly Variation, Normal System, Zagorovsky Line1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd47 moves
  • O'Kelly Variation, Quiet System1. e4 c5 2. Nf3 a6 3. d35 moves
  • O'Kelly Variation, Réti System1. e4 c5 2. Nf3 a6 3. g35 moves
  • O'Kelly Variation, Venice System1. e4 c5 2. Nf3 a6 3. c35 moves
  • O'Kelly Variation, Venice System, Barcza Line1. e4 c5 2. Nf3 a6 3. c3 Nf66 moves
  • O'Kelly Variation, Venice System, Gambit Line1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Nf68 moves
  • O'Kelly Variation, Venice System, Ljubojevic Line1. e4 c5 2. Nf3 a6 3. c3 b56 moves
  • O'Kelly Variation, Venice System, Steiner Line1. e4 c5 2. Nf3 a6 3. c3 d66 moves
  • O'Kelly Variation, Wing Gambit1. e4 c5 2. Nf3 a6 3. b45 moves
  • O'Kelly Variation, Yerevan System1. e4 c5 2. Nf3 a6 3. Nc35 moves

B295 lines

Families hereSicilian Defense

  • Nimzowitsch Variation1. e4 c5 2. Nf3 Nf64 moves
  • Nimzowitsch Variation, Advance Variation1. e4 c5 2. Nf3 Nf6 3. e55 moves
  • Nimzowitsch Variation, Closed Variation1. e4 c5 2. Nf3 Nf6 3. Nc35 moves
  • Nimzowitsch Variation, Exchange Variation1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc38 moves
  • Nimzowitsch Variation, Main Line1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc612 moves

B309 lines

Families hereSicilian Defense

  • Closed, Anti-Sveshnikov Variation1. e4 c5 2. Nf3 Nc6 3. Nc3 e56 moves
  • Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Bg512 moves
  • Closed, Anti-Sveshnikov Variation, with Nf61. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf610 moves
  • Closed, Anti-Sveshnikov Variation, with d61. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d610 moves
  • Nyezhmetdinov-Rossolimo Attack1. e4 c5 2. Nf3 Nc6 3. Bb55 moves
  • Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat Defense1. e4 c5 2. Nf3 Nc6 3. Bb5 Nb86 moves
  • Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b47 moves
  • Old Sicilian1. e4 c5 2. Nf3 Nc64 moves
  • Portsmouth Gambit1. e4 c5 2. Nf3 Nc6 3. b45 moves

B315 lines

Families hereSicilian Defense

  • Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation1. e4 c5 2. Nf3 Nc6 3. Bb5 g66 moves
  • Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d411 moves
  • Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. d411 moves
  • Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qa411 moves
  • Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b411 moves

B3211 lines

Families hereSicilian Defense

  • Accelerated Dragon1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g68 moves
  • Flohr Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc78 moves
  • Franco-Sicilian Variation1. e4 c5 2. Nf3 Nc6 3. d4 e66 moves
  • Godiva Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb68 moves
  • Kalashnikov Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d610 moves
  • Löwenthal Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e58 moves
  • Nimzo-American Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d58 moves
  • O'Kelly Variation, Maróczy Bind, Geller Line1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e510 moves
  • Open1. e4 c5 2. Nf3 Nc6 3. d45 moves
  • Open1. e4 c5 2. Nf3 Nc6 3. d4 cxd46 moves
  • Open1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd47 moves

B3311 lines

Families hereSicilian Defense

  • Lasker-Pelikan Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e510 moves
  • Lasker-Pelikan Variation, Bird Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be616 moves
  • Lasker-Pelikan Variation, Exchange Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc611 moves
  • Lasker-Pelikan Variation, Retreat Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf311 moves
  • Lasker-Pelikan Variation, Schlechter Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb311 moves
  • Lasker-Pelikan Variation, Sveshnikov Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b516 moves
  • Lasker-Pelikan Variation, Sveshnikov Variation1. 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 f520 moves
  • Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd517 moves
  • Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation1. 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 Bg720 moves
  • Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice1. 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. Bxb521 moves
  • Open1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf68 moves

B342 lines

Families hereSicilian Defense

  • Accelerated Dragon, Exchange Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc69 moves
  • Accelerated Dragon, Modern Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc39 moves

B352 lines

Families hereSicilian Defense

  • Accelerated Dragon, Modern Bc4 Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc413 moves
  • Dragon Variation, Modern Bc4 Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d614 moves

B362 lines

Families hereSicilian Defense

  • Accelerated Dragon, Maróczy Bind1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c49 moves
  • Accelerated Dragon, Maróczy Bind, Gurgenidze Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d614 moves

B372 lines

Families hereSicilian Defense

  • Accelerated Dragon, Maróczy Bind1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg710 moves
  • Accelerated Dragon, Simagin Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh614 moves

B381 lines

Families hereSicilian Defense

  • Accelerated Dragon, Maróczy Bind1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be311 moves

B391 lines

Families hereSicilian Defense

  • Accelerated Dragon, Maróczy Bind, Breyer Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng414 moves

B4018 lines

Families hereSicilian Defense

  • Alapin Variation, Sherzer Variation1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc610 moves
  • Delayed Alapin Variation, with e61. e4 c5 2. Nf3 e6 3. c35 moves
  • Drazic Variation1. e4 c5 2. Nf3 e6 3. d4 a66 moves
  • French Variation1. e4 c5 2. Nf3 e64 moves
  • French Variation, Normal1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf68 moves
  • French Variation, Open1. e4 c5 2. Nf3 e6 3. d4 cxd46 moves
  • French Variation, Westerinen Attack1. e4 c5 2. Nf3 e6 3. b35 moves
  • Gaw-Paw Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb610 moves
  • Kan Variation, Wing Attack, Fianchetto Variation1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd411 moves
  • Kramnik Variation1. e4 c5 2. Nf3 e6 3. c45 moves
  • Kveinis Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb68 moves
  • Marshall Counterattack1. e4 c5 2. Nf3 e6 3. d4 d56 moves
  • Paulsen-Basman Defense1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc58 moves
  • Pin Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb410 moves
  • Pin Variation, Jaffe Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e512 moves
  • Pin Variation, Koch Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e511 moves
  • Smith-Morra Gambit Deferred1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c37 moves
  • Wing Gambit Deferred1. e4 c5 2. Nf3 e6 3. b45 moves

B415 lines

Families hereSicilian Defense

  • Kan Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a68 moves
  • Kan Variation, Maróczy Bind, Bronstein Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc614 moves
  • Kan Variation, Maróczy Bind, Bronstein Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc215 moves
  • Kan Variation, Maróczy Bind, Hedgehog Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 g610 moves
  • Kan Variation, Maróczy Bind, Réti Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c49 moves

B424 lines

Families hereSicilian Defense

  • Kan Variation, Gipslis Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g614 moves
  • Kan Variation, Modern Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd39 moves
  • Kan Variation, Polugaevsky Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc510 moves
  • Kan Variation, Swiss Cheese Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g610 moves

B434 lines

Families hereSicilian Defense

  • Kan Variation, Knight Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc39 moves
  • Kan Variation, Wing Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b510 moves
  • Kan Variation, Wing Attack, Christiansen's Dream1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Qg415 moves
  • Kan Variation, Wing Attack, Spraggett Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nf313 moves

B444 lines

Families hereSicilian Defense

  • Taimanov Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc68 moves
  • Taimanov Variation, Gary Gambit1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 d516 moves
  • Taimanov Variation, Modern Line1. 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 b620 moves
  • Taimanov Variation, Szén Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb59 moves

B456 lines

Families hereSicilian Defense

  • Four Knights Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf610 moves
  • Four Knights Variation, American Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+13 moves
  • Four Knights Variation, Cobra Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc512 moves
  • Four Knights Variation, Exchange Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc611 moves
  • Four Knights Variation, Sveshnikov Transfer1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d612 moves
  • Taimanov Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc39 moves

B461 lines

Families hereSicilian Defense

  • Taimanov Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a610 moves

B472 lines

Families hereSicilian Defense

  • Taimanov Variation, Bastrikov Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc710 moves
  • Taimanov Variation, Bastrikov Variation, Ponomariov Gambit1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb615 moves

B481 lines

Families hereSicilian Defense

  • Taimanov Variation, Bastrikov Variation, English Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be311 moves

B491 lines

Families hereSicilian Defense

  • Taimanov Variation, Bastrikov Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be213 moves

B5012 lines

Families hereSicilian Defense

  • Sicilian Defense1. e4 c5 2. Nf3 d6 3. d45 moves
  • Sicilian Defense1. e4 c5 2. Nf3 d6 3. d4 cxd46 moves
  • Delayed Alapin Variation, Basman-Palatnik Double Gambit1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc317 moves
  • Delayed Alapin Variation, Basman-Palatnik Gambit1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe412 moves
  • Delayed Alapin Variation, with d61. e4 c5 2. Nf3 d6 3. c35 moves
  • Kopec System1. e4 c5 2. Nf3 d6 3. Bd35 moves
  • Kotov Gambit1. e4 c5 2. Nf3 d6 3. g3 b56 moves
  • Modern Variations1. e4 c5 2. Nf3 d64 moves
  • Modern Variations, Anti-Qxd4 Move Order1. e4 c5 2. Nf3 d6 3. d4 Nf66 moves
  • Modern Variations, Anti-Qxd4 Move Order Accepted1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe48 moves
  • Modern Variations, Tartakower1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c37 moves
  • Wing Gambit, Deferred Variation1. e4 c5 2. Nf3 d6 3. b45 moves

B513 lines

Families hereSicilian Defense

  • Moscow Variation1. e4 c5 2. Nf3 d6 3. Bb5+5 moves
  • Moscow Variation, Dorfman Gambit1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Qe2 g6 6. e511 moves
  • Moscow Variation, Moscow Gambit1. 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. Bg517 moves

B523 lines

Families hereSicilian Defense

  • Moscow Variation, Haag Gambit1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d413 moves
  • Moscow Variation, Main Line1. e4 c5 2. Nf3 d6 3. Bb5+ Bd76 moves
  • Moscow Variation, Sokolsky Variation1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c49 moves

B532 lines

Families hereSicilian Defense

  • Chekhover Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd47 moves
  • Chekhover Variation, Zaitsev Defense1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd710 moves

B544 lines

Families hereSicilian Defense

  • Dragon Variation, Accelerated Dragon1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g68 moves
  • Modern Variations, Ginsberg Gambit1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc49 moves
  • Modern Variations, Main Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf68 moves
  • Prins Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f39 moves

B551 lines

Families hereSicilian Defense

  • Prins Variation, Venice Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+11 moves

B565 lines

Families hereSicilian Defense

  • Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc610 moves
  • Classical Variation, Fianchetto Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g311 moves
  • Kupreichik Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd710 moves
  • Spielmann Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde211 moves
  • Venice Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+11 moves

B573 lines

Families hereSicilian Defense

  • Classical Variation, Anti-Sozin Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb612 moves
  • Classical Variation, Sozin Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc411 moves
  • Magnus Smith Trap1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. Nxc6 bxc6 8. e515 moves

B584 lines

Families hereSicilian Defense

  • Boleslavsky Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e512 moves
  • Boleslavsky Variation, Louma Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc613 moves
  • Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be211 moves
  • Classical Variation, Dragon Transfer1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Nxd4 7. Qxd4 g614 moves

B591 lines

Families hereSicilian Defense

  • Boleslavsky Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb313 moves

B603 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg511 moves
  • Richter-Rauzer Variation, Dragon Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 g612 moves
  • Richter-Rauzer Variation, Modern Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd712 moves

B611 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Modern Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd213 moves

B625 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e612 moves
  • Richter-Rauzer Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd313 moves
  • Richter-Rauzer Variation, Exchange Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc613 moves
  • Richter-Rauzer Variation, Podebrady Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Nb313 moves
  • Richter-Rauzer Variation, Vitolins Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb513 moves

B634 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be714 moves
  • Richter-Rauzer Variation, Classical Variation, Kantscher Line1. 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 b520 moves
  • Richter-Rauzer Variation, Ivanov Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb614 moves
  • Richter-Rauzer Variation, Traditional Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd213 moves

B642 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Classical Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 e518 moves
  • Richter-Rauzer Variation, Classical Variation1. 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. f417 moves

B652 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Classical Variation1. 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. Qxd419 moves
  • Richter-Rauzer Variation, Rauzer Attack1. 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 Nxd418 moves

B661 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a614 moves

B671 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Neo-Modern Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd716 moves

B681 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Neo-Modern Variation1. 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 Be718 moves

B691 lines

Families hereSicilian Defense

  • Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack1. 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. Bxf621 moves

B703 lines

Families hereSicilian Defense

  • Dragon Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g610 moves
  • Dragon Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be211 moves
  • Dragon Variation, Fianchetto Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g311 moves

B712 lines

Families hereSicilian Defense

  • Dragon Variation, Levenfish Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f411 moves
  • Dragon Variation, Levenfish Variation, Main Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd712 moves

B726 lines

Families hereSicilian Defense

  • Dragon Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be311 moves
  • Dragon Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be213 moves
  • Dragon Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc614 moves
  • Dragon Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb315 moves
  • Dragon Variation, Classical Variation, Amsterdam Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd215 moves
  • Dragon Variation, Classical Variation, Grigoriev Variation1. 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-O17 moves

B733 lines

Families hereSicilian Defense

  • Dragon Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Be315 moves
  • Dragon Variation, Classical Variation, Battery Variation1. 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. Qd217 moves
  • Dragon Variation, Classical Variation, Zollner Gambit1. 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. e519 moves

B747 lines

Families hereSicilian Defense

  • Dragon Variation, Classical Variation, Alekhine Line1. 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 a518 moves
  • Dragon Variation, Classical Variation, Bernard Defense1. 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 d526 moves
  • Dragon Variation, Classical Variation, Maróczy Line1. 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 Na520 moves
  • Dragon Variation, Classical Variation, Normal Line1. 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. Nb317 moves
  • Dragon Variation, Classical Variation, Spielmann Variation1. 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. Bd323 moves
  • Dragon Variation, Classical Variation, Stockholm Attack1. 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. g427 moves
  • Dragon Variation, Classical Variation, Tartakower Line1. 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 Qc820 moves

B753 lines

Families hereSicilian Defense

  • Dragon Variation, Yugoslav Attack, Belezky Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc614 moves
  • Dragon Variation, Yugoslav Attack, Early Deviations1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f313 moves
  • Dragon Variation, Yugoslav Attack, Hungarian Dragon1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 h514 moves

B764 lines

Families hereSicilian Defense

  • Dragon Variation, Yugoslav Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O14 moves
  • Dragon Variation, Yugoslav Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc616 moves
  • Dragon Variation, Yugoslav Attack, Modern Line1. 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-O17 moves
  • Dragon Variation, Yugoslav Attack, Panov Variation1. 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. g417 moves

B777 lines

Families hereSicilian Defense

  • Dragon Variation, Yugoslav Attack, Byrne Variation1. 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 a518 moves
  • Dragon Variation, Yugoslav Attack, Czerniak Variation1. 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 Be620 moves
  • Dragon Variation, Yugoslav Attack, Czerniak Variation1. 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 11. Bb3 Qa522 moves
  • Dragon Variation, Yugoslav Attack, Main Line1. 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. Bc417 moves
  • Dragon Variation, Yugoslav Attack, Main Line1. 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 Bd718 moves
  • Dragon Variation, Yugoslav Attack, Main Line1. 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. Bb319 moves
  • Dragon Variation, Yugoslav Attack, Sosonko Variation1. 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 Nd718 moves

B784 lines

Families hereSicilian Defense

  • Dragon Variation, Yugoslav Attack1. 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-O19 moves
  • Dragon Variation, Yugoslav Attack, Chinese Dragon1. 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 Rb820 moves
  • Dragon Variation, Yugoslav Attack, Old Line1. 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 Rc820 moves
  • Dragon Variation, Yugoslav Attack, Topalov Variation1. 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 11. Bb3 Nxd4 12. Bxd423 moves

B792 lines

Families hereSicilian Defense

  • Dragon Variation, Yugoslav Attack1. 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. h4 Qa5 11. O-O-O Rfc8 12. Bb323 moves
  • Dragon Variation, Yugoslav Attack, Soltis Variation1. 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 h524 moves

B804 lines

Families hereSicilian Defense

  • Scheveningen Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d610 moves
  • Scheveningen Variation, English Attack, with Qd21. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd213 moves
  • Scheveningen Variation, Fianchetto Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g311 moves
  • Scheveningen Variation, Vitolins Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5+11 moves

B811 lines

Families hereSicilian Defense

  • Scheveningen Variation, Keres Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g411 moves

B822 lines

Families hereSicilian Defense

  • Scheveningen Variation, Matanovic Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f411 moves
  • Scheveningen Variation, Tal Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Qf315 moves

B834 lines

Families hereSicilian Defense

  • Scheveningen Variation, Classical Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be211 moves
  • Scheveningen Variation, Modern Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf612 moves
  • Scheveningen Variation, Modern Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8. f4 Nc6 9. Be317 moves
  • Scheveningen Variation, Modern Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8. f4 Nc6 9. Be3 Bd7 10. Nb319 moves

B843 lines

Families hereSicilian Defense

  • Najdorf Variation, Scheveningen Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd714 moves
  • Scheveningen Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e612 moves
  • Scheveningen Variation, Classical Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc714 moves

B854 lines

Families hereSicilian Defense

  • Scheveningen Variation, Classical Main Line1. 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-O20 moves
  • Scheveningen Variation, Classical Variation, Paulsen Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. O-O Nc616 moves
  • Scheveningen Variation, Classical Variation, Paulsen Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 d6 9. f417 moves
  • Scheveningen Variation, Classical Variation, Paulsen Variation1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Kh1 Be7 9. f4 d6 10. a419 moves

B861 lines

Families hereSicilian Defense

  • Sozin Attack1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc411 moves

B871 lines

Families hereSicilian Defense

  • Sozin Attack, Flank Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b514 moves

B882 lines

Families hereSicilian Defense

  • Sozin Attack, Fischer Variation1. 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. f417 moves
  • Sozin Attack, Leonhardt Variation1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e612 moves

B893 lines

Families hereSicilian Defense

  • Sozin Attack, Main Line1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be313 moves
  • Sozin Attack, Main Line, Sherbakov Variation1. 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 b620 moves
  • Velimirovic Attack1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe215 moves

B9015 lines

Families hereSicilian Defense

  • Najdorf Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a610 moves
  • Najdorf Variation, Adams Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h311 moves
  • Najdorf Variation, Dekker Gambit1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g411 moves
  • Najdorf Variation, English Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be311 moves
  • Najdorf Variation, English Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f315 moves
  • Najdorf Variation, English Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f315 moves
  • Najdorf Variation, English Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h315 moves
  • Najdorf Variation, English Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h315 moves
  • Najdorf Variation, English Attack, Anti-English1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng412 moves
  • Najdorf Variation, Lipnitsky Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc411 moves
  • Najdorf Variation, Petronić Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg111 moves
  • Najdorf Variation, Yates Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd311 moves
  • Scheveningen Variation, Delayed Keres Attack1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g413 moves
  • Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g517 moves
  • Scheveningen Variation, English Attack, with f31. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f313 moves

B911 lines

Families hereSicilian Defense

  • Najdorf Variation, Zagreb Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g311 moves

B924 lines

Families hereSicilian Defense

  • Najdorf Variation, Opocensky Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be211 moves
  • Najdorf Variation, Opocensky Variation1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be6 8. Be315 moves
  • Najdorf Variation, Opocensky Variation, Modern Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be616 moves
  • Najdorf Variation, Opocensky Variation, Traditional Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O16 moves

B931 lines

Families hereSicilian Defense

  • Najdorf Variation, Amsterdam Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f411 moves

B942 lines

Families hereSicilian Defense

  • Najdorf Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg511 moves
  • Najdorf Variation, Ivkov Variation1. 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. e523 moves

B951 lines

Families hereSicilian Defense

  • Najdorf Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e612 moves

B964 lines

Families hereSicilian Defense

  • Najdorf Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f413 moves
  • Najdorf Variation, Neo-Classical Defense1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc614 moves
  • Najdorf Variation, Polugaevsky Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b514 moves
  • Najdorf Variation, Polugaevsky Variation, Simagin Line1. 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. Qe219 moves

B972 lines

Families hereSicilian Defense

  • Najdorf Variation, Poisoned Pawn Accepted1. 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 Qa318 moves
  • Najdorf Variation, Poisoned Pawn Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb614 moves

B984 lines

Families hereSicilian Defense

  • Najdorf Variation1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be714 moves
  • Najdorf Variation, Browne Variation1. 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 Qc718 moves
  • Najdorf Variation, Goteborg Variation1. 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 g518 moves
  • Najdorf Variation, Traditional Line1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc716 moves

B991 lines

Families hereSicilian Defense

  • Najdorf Variation, Main Line1. 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 Nbd718 moves

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