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Sicilian Defense
You play Black · 252 variations
Mixed practice
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10 positions: find the next theory move in each. No take-backs, no hints.
Main variations · 170
- Najdorf VariationB981. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be77 moves
- Najdorf Variation, Main LineB991. 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 Nbd79 moves
- Najdorf Variation, Ivkov VariationB941. 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. e512 moves
- Najdorf Variation, Polugaevsky Variation, Simagin LineB961. 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. Qe210 moves
- Najdorf Variation, Browne VariationB981. 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 Qc79 moves
- Najdorf Variation, Goteborg VariationB981. 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 g59 moves
- Najdorf Variation, Poisoned Pawn AcceptedB971. 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 Qa39 moves
- Najdorf Variation, Opocensky Variation, Modern LineB921. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be68 moves
- Najdorf Variation, Opocensky Variation, Traditional LineB921. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O8 moves
- Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f38 moves
- Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f38 moves
- Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h38 moves
- Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h38 moves
- Najdorf Variation, Opocensky VariationB921. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be6 8. Be38 moves
- Najdorf Variation, Neo-Classical DefenseB961. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc67 moves
- Najdorf Variation, Scheveningen VariationB841. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd77 moves
- Najdorf Variation, English Attack, Anti-EnglishB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng46 moves
- Najdorf Variation, Adams AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h36 moves
- Najdorf Variation, Dekker GambitB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g46 moves
- Najdorf Variation, Petronić AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg16 moves
- Najdorf Variation, Yates VariationB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd36 moves
- Najdorf Variation, Zagreb VariationB911. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g36 moves
- Dragon VariationB721. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be36 moves
- Dragon Variation, Yugoslav Attack, Main LineB771. 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. Bb310 moves
- Dragon Variation, Levenfish Variation, Main LineB711. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd76 moves
- Dragon Variation, Classical Variation, Stockholm AttackB741. 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. g414 moves
- Dragon Variation, Classical Variation, Bernard DefenseB741. 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 d513 moves
- Dragon Variation, Yugoslav Attack, Soltis VariationB791. 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 h512 moves
- Dragon Variation, Classical Variation, Spielmann VariationB741. 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. Bd312 moves
- Dragon Variation, Yugoslav AttackB791. 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. Bb312 moves
- Dragon Variation, Yugoslav Attack, Topalov VariationB781. 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. Bxd412 moves
- Dragon Variation, Yugoslav Attack, Czerniak VariationB771. 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 Qa511 moves
- Dragon Variation, Classical Variation, Maróczy LineB741. 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 Na510 moves
- Dragon Variation, Classical Variation, Tartakower LineB741. 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 Qc810 moves
- Dragon Variation, Yugoslav Attack, Chinese DragonB781. 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 Rb810 moves
- Dragon Variation, Classical Variation, Zollner GambitB731. 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. e510 moves
- Dragon Variation, Classical Variation, Alekhine LineB741. 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 a59 moves
- Dragon Variation, Yugoslav Attack, Byrne VariationB771. 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 a59 moves
- Dragon Variation, Yugoslav Attack, Sosonko VariationB771. 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 Nd79 moves
- Dragon Variation, Classical Variation, Battery VariationB731. 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. Qd29 moves
- Dragon Variation, Classical Variation, Grigoriev VariationB721. 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-O9 moves
- Dragon Variation, Yugoslav Attack, Modern LineB761. 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-O9 moves
- Dragon Variation, Yugoslav Attack, Panov VariationB761. 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. g49 moves
- Dragon Variation, Classical VariationB721. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb38 moves
- Dragon Variation, Classical VariationB731. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Be38 moves
- Dragon Variation, Modern Bc4 VariationB351. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d67 moves
- Dragon Variation, Yugoslav Attack, Hungarian DragonB751. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 h57 moves
- Dragon Variation, Fianchetto VariationB701. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g36 moves
- Dragon Variation, Accelerated DragonB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g64 moves
- Scheveningen VariationB801. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d65 moves
- Scheveningen Variation, Classical Main LineB851. 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-O10 moves
- Scheveningen Variation, Classical Variation, Paulsen VariationB851. 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. a410 moves
- Scheveningen Variation, Modern VariationB831. 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. Nb310 moves
- Scheveningen Variation, Classical Variation, Paulsen VariationB851. 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. f49 moves
- Scheveningen Variation, Delayed Keres Attack, Perenyi GambitB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g59 moves
- Scheveningen Variation, Classical Variation, Paulsen VariationB851. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. O-O Nc68 moves
- Scheveningen Variation, Tal VariationB821. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Qf38 moves
- Scheveningen Variation, Classical VariationB841. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc77 moves
- Scheveningen Variation, English Attack, with f3B901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f37 moves
- Scheveningen Variation, English Attack, with Qd2B801. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd27 moves
- Scheveningen Variation, Modern VariationB831. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf66 moves
- Scheveningen Variation, Fianchetto VariationB801. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g36 moves
- Scheveningen Variation, Keres AttackB811. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g46 moves
- Scheveningen Variation, Vitolins VariationB801. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5+6 moves
- Taimanov VariationB461. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a65 moves
- Taimanov Variation, Modern LineB441. 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 b610 moves
- Taimanov Variation, Gary GambitB441. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 d58 moves
- Taimanov Variation, Bastrikov Variation, Ponomariov GambitB471. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb68 moves
- Taimanov Variation, Bastrikov VariationB491. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be27 moves
- Kan VariationB411. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a64 moves
- Kan Variation, Maróczy Bind, Bronstein VariationB411. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc28 moves
- Kan Variation, Wing Attack, Christiansen's DreamB431. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Qg48 moves
- Kan Variation, Gipslis VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g67 moves
- Kan Variation, Wing Attack, Spraggett AttackB431. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nf37 moves
- Kan Variation, Wing Attack, Fianchetto VariationB401. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd46 moves
- Kan Variation, Maróczy Bind, Hedgehog VariationB411. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 g65 moves
- Kan Variation, Polugaevsky VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc55 moves
- Kan Variation, Swiss Cheese VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g65 moves
- Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd59 moves
- Lasker-Pelikan VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e55 moves
- Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's SacrificeB331. 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. Bxb511 moves
- Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk VariationB331. 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 Bg710 moves
- Lasker-Pelikan Variation, Bird VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be68 moves
- Lasker-Pelikan Variation, Exchange VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc66 moves
- Lasker-Pelikan Variation, Retreat VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf36 moves
- Lasker-Pelikan Variation, Schlechter VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb36 moves
- Richter-Rauzer VariationB621. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd37 moves
- Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov AttackB691. 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. Bxf611 moves
- Richter-Rauzer Variation, Classical Variation, Kantscher LineB631. 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 b510 moves
- Richter-Rauzer Variation, Classical VariationB651. 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. Qxd410 moves
- Richter-Rauzer Variation, Classical VariationB641. 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 e59 moves
- Richter-Rauzer Variation, Ivanov VariationB631. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb67 moves
- Richter-Rauzer Variation, Neo-Modern Variation, Early DeviationsB661. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a67 moves
- Richter-Rauzer Variation, Exchange VariationB621. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc67 moves
- Richter-Rauzer Variation, Modern VariationB611. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd27 moves
- Richter-Rauzer Variation, Podebrady VariationB621. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Nb37 moves
- Richter-Rauzer Variation, Vitolins VariationB621. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb57 moves
- Richter-Rauzer Variation, Dragon VariationB601. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 g66 moves
- Richter-Rauzer Variation, Modern VariationB601. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd76 moves
- Accelerated DragonB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g64 moves
- Accelerated Dragon, Maróczy Bind, Breyer VariationB391. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng47 moves
- Accelerated Dragon, Maróczy Bind, Gurgenidze VariationB361. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d67 moves
- Accelerated Dragon, Simagin VariationB371. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh67 moves
- Accelerated Dragon, Exchange VariationB341. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc65 moves
- Classical VariationB581. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be26 moves
- Classical Variation, Dragon TransferB581. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Nxd4 7. Qxd4 g67 moves
- Classical Variation, Anti-Sozin VariationB571. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb66 moves
- Classical Variation, Fianchetto VariationB561. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g36 moves
- Sozin AttackB861. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc46 moves
- Sozin Attack, Main Line, Sherbakov VariationB891. 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 b610 moves
- Sozin Attack, Main LineB891. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be37 moves
- Sozin Attack, Fischer VariationB881. 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. f49 moves
- Sozin Attack, Flank VariationB871. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b57 moves
- Alapin Variation, Barmen Defense, Endgame VariationB221. 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 Nxd49 moves
- Alapin Variation, Stoltz Attack, Ivanchuk LineB221. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2 g58 moves
- Alapin Variation, Barmen Defense, Milner-Barry AttackB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 e5 7. Nc3 Bb4 8. Be28 moves
- Alapin Variation, Barmen Defense, Modern LineB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg45 moves
- Alapin Variation, Sherzer VariationB401. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc65 moves
- Alapin Variation, Barmen DefenseB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf35 moves
- Alapin Variation, Smith-Morra DeclinedB221. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd44 moves
- Alapin Variation, Anti-Alapin GambitB221. e4 c5 2. c3 d5 3. exd5 Nf63 moves
- Nyezhmetdinov-Rossolimo AttackB301. e4 c5 2. Nf3 Nc6 3. Bb53 moves
- Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld GambitB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d46 moves
- Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov GambitB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. d46 moves
- Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky AttackB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qa46 moves
- Nyezhmetdinov-Rossolimo Attack, Gurgenidze VariationB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b46 moves
- Nyezhmetdinov-Rossolimo Attack, San Francisco GambitB301. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b44 moves
- Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat DefenseB301. e4 c5 2. Nf3 Nc6 3. Bb5 Nb83 moves
- Moscow VariationB511. e4 c5 2. Nf3 d6 3. Bb5+3 moves
- Moscow Variation, Main LineB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd73 moves
- Moscow Variation, Moscow GambitB511. 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. Bg59 moves
- Moscow Variation, Haag GambitB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d47 moves
- Moscow Variation, Dorfman GambitB511. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Qe2 g6 6. e56 moves
- Moscow Variation, Sokolsky VariationB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c45 moves
- ClosedB251. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f46 moves
- ClosedB261. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be36 moves
- ClosedB231. e4 c5 2. Nc3 e6 3. g33 moves
- Closed, Botvinnik Defense, Edge VariationB251. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge77 moves
- Closed, Smyslov VariationB241. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce27 moves
- Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik LineB301. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Bg56 moves
- Closed, Botvinnik Defense, with Nge2B251. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e56 moves
- Closed, Anti-Sveshnikov Variation, with Nf6B301. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf65 moves
- Closed, Carlsen VariationB231. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd25 moves
- Closed, Portland AttackB231. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g44 moves
- Closed, Korchnoi DefenseB231. e4 c5 2. Nc3 e6 3. g3 d53 moves
- Closed, Chameleon VariationB231. e4 c5 2. Nc3 Nc6 3. Nge23 moves
- Closed, Grob AttackB231. e4 c5 2. Nc3 Nc6 3. g43 moves
- Smith-Morra Gambit AcceptedB211. e4 c5 2. d4 cxd4 3. c3 dxc33 moves
- Smith-Morra Gambit Accepted, Chicago DefenseB211. 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 Ra79 moves
- Smith-Morra Gambit Accepted, Finegold DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 d6 6. Bc4 a6 7. O-O Be7 8. Qe2 Nf68 moves
- Smith-Morra Gambit Accepted, Larsen DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 a6 8. O-O Bd68 moves
- Smith-Morra Gambit Accepted, Morphy Defense DeferredB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O b5 8. Bb3 Bc58 moves
- Smith-Morra Gambit Accepted, Chicago DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Bc4 Nf6 7. O-O a67 moves
- Smith-Morra Gambit Accepted, Classical FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. O-O Nf67 moves
- Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g66 moves
- Smith-Morra Gambit Accepted, Morphy DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bc56 moves
- Smith-Morra Gambit Accepted, Pin DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb46 moves
- Smith-Morra Gambit Accepted, Scheveningen FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e66 moves
- Smith-Morra Gambit Accepted, Taimanov FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 Ne76 moves
- Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g65 moves
- Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 g65 moves
- Smith-Morra Gambit Accepted, Kan FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a65 moves
- Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g64 moves
- Smith-Morra Gambit Accepted, Danish VariationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf34 moves
- Smith-Morra Gambit Accepted, Siberian Variation, Siberian TrapB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 Nf6 8. O-O Ng48 moves
- Four Knights VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf65 moves
- Four Knights Variation, American AttackB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+7 moves
- Four Knights Variation, Cobra VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc56 moves
- Four Knights Variation, Sveshnikov TransferB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d66 moves
- Four Knights Variation, Exchange VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc66 moves
Other variations · 82
- O'Kelly Variation, Maróczy Bind, Geller LineB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e55 moves
- O'Kelly Variation, Normal System, Taimanov LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e54 moves
- O'Kelly Variation, Venice System, Gambit LineB281. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Nf64 moves
- O'Kelly Variation, Normal System, Cortlever GambitB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc44 moves
- O'Kelly Variation, Normal System, Smith-Morra LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c34 moves
- O'Kelly Variation, Normal System, Zagorovsky LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd44 moves
- O'Kelly Variation, Maróczy Bind, Paulsen LineB281. e4 c5 2. Nf3 a6 3. c4 e63 moves
- O'Kelly Variation, Maróczy Bind, Robatsch LineB281. e4 c5 2. Nf3 a6 3. c4 d63 moves
- O'Kelly Variation, Venice System, Barcza LineB281. e4 c5 2. Nf3 a6 3. c3 Nf63 moves
- O'Kelly Variation, Venice System, Ljubojevic LineB281. e4 c5 2. Nf3 a6 3. c3 b53 moves
- O'Kelly Variation, Venice System, Steiner LineB281. e4 c5 2. Nf3 a6 3. c3 d63 moves
- O'Kelly Variation, Aronin SystemB281. e4 c5 2. Nf3 a6 3. Be23 moves
- O'Kelly Variation, Kieseritzky SystemB281. e4 c5 2. Nf3 a6 3. b33 moves
- O'Kelly Variation, Quiet SystemB281. e4 c5 2. Nf3 a6 3. d33 moves
- O'Kelly Variation, Réti SystemB281. e4 c5 2. Nf3 a6 3. g33 moves
- O'Kelly Variation, Wing GambitB281. e4 c5 2. Nf3 a6 3. b43 moves
- O'Kelly Variation, Yerevan SystemB281. e4 c5 2. Nf3 a6 3. Nc33 moves
- Wing Gambit, Romanian DefenseB201. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe67 moves
- Wing Gambit, Nanu GambitB201. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. c4 Qe6 7. Bd37 moves
- Wing Gambit, Marienbad VariationB201. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb25 moves
- Wing Gambit, Carlsbad VariationB201. e4 c5 2. b4 cxb4 3. a3 bxa33 moves
- Wing Gambit, Abrahams VariationB201. e4 c5 2. b4 cxb4 3. Bb23 moves
- Wing Gambit, Deferred VariationB501. e4 c5 2. Nf3 d6 3. b43 moves
- Wing Gambit, Santasiere VariationB201. e4 c5 2. b4 cxb4 3. c43 moves
- Smith-Morra Gambit Declined, Dubois VariationB211. e4 c5 2. d4 cxd4 3. c3 d3 4. c44 moves
- Smith-Morra Gambit Declined, Alapin FormationB211. e4 c5 2. d4 cxd4 3. c3 Nf63 moves
- Smith-Morra Gambit Declined, Center FormationB211. e4 c5 2. d4 cxd4 3. c3 e53 moves
- Smith-Morra Gambit Declined, Scandinavian FormationB211. e4 c5 2. d4 cxd4 3. c3 d53 moves
- Smith-Morra Gambit Declined, Wing FormationB211. e4 c5 2. d4 cxd4 3. c3 Qa53 moves
- Modern Variations, Main LineB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf64 moves
- Modern Variations, Ginsberg GambitB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc45 moves
- Modern Variations, Anti-Qxd4 Move Order AcceptedB501. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe44 moves
- Modern Variations, TartakowerB501. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c34 moves
- Boleslavsky VariationB591. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb37 moves
- Boleslavsky VariationB581. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e56 moves
- Boleslavsky Variation, Louma VariationB581. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc67 moves
- Delayed Alapin VariationB221. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. O-O Bd6 7. d47 moves
- Delayed Alapin VariationB221. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf65 moves
- Delayed Alapin Variation, Basman-Palatnik Double GambitB501. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc39 moves
- McDonnell Attack, Tal GambitB211. e4 c5 2. f4 d5 3. exd5 Nf63 moves
- McDonnell Attack, Toilet VariationB211. e4 c5 2. f4 d5 3. Nc33 moves
- Nimzowitsch Variation, Main LineB291. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc66 moves
- Nimzowitsch Variation, Exchange VariationB291. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc34 moves
- Pin Variation, Jaffe VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e56 moves
- Pin Variation, Koch VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e56 moves
- Acton ExtensionB271. e4 c5 2. Nf3 g6 3. c4 Bh63 moves
- Big Clamp FormationB201. e4 c5 2. d3 Nc6 3. c3 d6 4. f44 moves
- Chekhover Variation, Zaitsev DefenseB531. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd75 moves
- Coles Sicilian GambitB211. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bc45 moves
- Double-Dutch GambitB271. e4 c5 2. Nf3 f5 3. exf5 Nh63 moves
- Drazic VariationB401. e4 c5 2. Nf3 e6 3. d4 a63 moves
- Euwe Attack, Prins GambitB201. e4 c5 2. b3 d5 3. Bb23 moves
- Flohr VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc74 moves
- Franco-Sicilian VariationB321. e4 c5 2. Nf3 Nc6 3. d4 e63 moves
- Frederico VariationB271. e4 c5 2. Nf3 g6 3. d4 f53 moves
- French Variation, Westerinen AttackB401. e4 c5 2. Nf3 e6 3. b33 moves
- Gaw-Paw VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb65 moves
- Gloria VariationB201. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h54 moves
- Godiva VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb64 moves
- Grand Prix Attack, Schofman VariationB231. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f56 moves
- Halasz GambitB211. e4 c5 2. d4 cxd4 3. f43 moves
- Heidenfeld VariationB221. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na35 moves
- Hyperaccelerated Pterodactyl, Exchange VariationB271. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3 Qxc3+6 moves
- Kalashnikov VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d65 moves
- Kopec SystemB501. e4 c5 2. Nf3 d6 3. Bd33 moves
- Kotov GambitB501. e4 c5 2. Nf3 d6 3. g3 b53 moves
- Kramnik VariationB401. e4 c5 2. Nf3 e6 3. c43 moves
- Kronberger Variation, Nemeth GambitB201. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc44 moves
- Kupreichik VariationB561. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd75 moves
- Kveinis VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb64 moves
- Marshall CounterattackB401. e4 c5 2. Nf3 e6 3. d4 d53 moves
- Morphy Gambit, Andreaschek GambitB211. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c34 moves
- Nimzo-American VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d54 moves
- Paulsen-Basman DefenseB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc54 moves
- Portsmouth GambitB301. e4 c5 2. Nf3 Nc6 3. b43 moves
- Prins Variation, Venice AttackB551. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+6 moves
- Smith-Morra Gambit DeferredB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c34 moves
- Spielmann VariationB561. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde26 moves
- Velimirovic AttackB891. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe28 moves
- Venice AttackB561. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+6 moves
- Wing Gambit DeferredB401. e4 c5 2. Nf3 e6 3. b43 moves
- Magnus Smith TrapB571. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. Nxc6 bxc6 8. e58 moves