eco	name	pgn
B00	Barnes Defense	1. e4 f6
B00	Borg Defense	1. e4 g5
B00	Borg Defense: Borg Gambit	1. e4 g5 2. d4 Bg7
B00	Borg Defense: Troon Gambit	1. e4 g5 2. d4 h6 3. h4 g4
B00	Borg Defense: Zilbermints Gambit	1. e4 g5 2. d4 e5
B00	Carr Defense	1. e4 h6
B00	Carr Defense: Zilbermints Gambit	1. e4 h6 2. d4 e5
B00	Duras Gambit	1. e4 f5
B00	Fried Fox Defense	1. e4 f6 2. d4 Kf7
B00	Goldsmith Defense	1. e4 h5
B00	Goldsmith Defense: Picklepuss Defense	1. e4 h5 2. d4 Nf6
B00	Hippopotamus Defense	1. e4 Nh6
B00	Hippopotamus Defense	1. e4 Nh6 2. d4 g6 3. c4 f6
B00	King's Pawn Game	1. e4
B00	Lemming Defense	1. e4 Na6
B00	Lion Defense: Lion's Jaw	1. e4 d6 2. d4 Nf6 3. f3
B00	Nimzowitsch Defense	1. e4 Nc6
B00	Nimzowitsch Defense	1. e4 Nc6 2. d4
B00	Nimzowitsch Defense: Breyer Variation	1. e4 Nc6 2. Nc3 Nf6 3. d4 e5
B00	Nimzowitsch Defense: Colorado Countergambit	1. e4 Nc6 2. Nf3 f5
B00	Nimzowitsch Defense: Colorado Countergambit Accepted	1. e4 Nc6 2. Nf3 f5 3. exf5
B00	Nimzowitsch Defense: Declined Variation	1. e4 Nc6 2. Nf3
B00	Nimzowitsch Defense: El Columpio Defense	1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4
B00	Nimzowitsch Defense: El Columpio Defense, El Columpio Gambit	1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. e6
B00	Nimzowitsch Defense: El Columpio Defense, Exchange Variation	1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. exd6
B00	Nimzowitsch Defense: El Columpio Defense, Pin Variation	1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. Bb5
B00	Nimzowitsch Defense: Franco-Nimzowitsch Variation	1. e4 Nc6 2. Nf3 e6
B00	Nimzowitsch Defense: French Connection	1. e4 Nc6 2. Nc3 e6
B00	Nimzowitsch Defense: Hornung Gambit	1. e4 Nc6 2. d4 d5 3. Be3
B00	Nimzowitsch Defense: Kennedy Variation	1. e4 Nc6 2. d4 e5
B00	Nimzowitsch Defense: Kennedy Variation, Bielefelder Gambit	1. e4 Nc6 2. d4 e5 3. dxe5 Bc5
B00	Nimzowitsch Defense: Kennedy Variation, Hammer Gambit	1. e4 Nc6 2. d4 e5 3. dxe5 f6
B00	Nimzowitsch Defense: Kennedy Variation, Herford Gambit	1. e4 Nc6 2. d4 e5 3. dxe5 Qh4
B00	Nimzowitsch Defense: Kennedy Variation, Keres Attack	1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nc3
B00	Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation	1. e4 Nc6 2. d4 e5 3. d5
B00	Nimzowitsch Defense: Kennedy Variation, Main Line	1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng6
B00	Nimzowitsch Defense: Kennedy Variation, Paulsen Attack	1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3
B00	Nimzowitsch Defense: Kennedy Variation, Riemann Defense	1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc6
B00	Nimzowitsch Defense: Kennedy Variation, de Smet Gambit	1. e4 Nc6 2. d4 e5 3. dxe5 d6
B00	Nimzowitsch Defense: Mikenas Variation	1. e4 Nc6 2. d4 d6
B00	Nimzowitsch Defense: Neo-Mongoloid Defense	1. e4 Nc6 2. d4 f6
B00	Nimzowitsch Defense: Pirc Connection	1. e4 Nc6 2. Nc3 g6
B00	Nimzowitsch Defense: Pseudo-Spanish Variation	1. e4 Nc6 2. Bb5
B00	Nimzowitsch Defense: Scandinavian Variation	1. e4 Nc6 2. d4 d5
B00	Nimzowitsch Defense: Scandinavian Variation, Aachen Gambit	1. e4 Nc6 2. d4 d5 3. exd5 Nb4
B00	Nimzowitsch Defense: Scandinavian Variation, Advance Variation	1. e4 Nc6 2. d4 d5 3. e5
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation	1. e4 Nc6 2. d4 d5 3. Nc3
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation	1. e4 Nc6 2. d4 d5 3. Nc3 dxe4
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Brandics Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 a6
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Erben Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 g6
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 e5
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f3
B00	Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Vehre Variation	1. e4 Nc6 2. d4 d5 3. Nc3 Nf6
B00	Nimzowitsch Defense: Scandinavian Variation, Exchange Variation	1. e4 Nc6 2. d4 d5 3. exd5 Qxd5
B00	Nimzowitsch Defense: Scandinavian Variation, Exchange Variation, Marshall Gambit	1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3
B00	Nimzowitsch Defense: Wheeler Gambit	1. e4 Nc6 2. b4
B00	Nimzowitsch Defense: Williams Variation	1. e4 Nc6 2. Nf3 d6
B00	Nimzowitsch Defense: Woodchuck Variation	1. e4 Nc6 2. d4 a6
B00	Owen Defense	1. e4 b6
B00	Owen Defense: Guatemala Defense	1. e4 b6 2. d4 Ba6
B00	Owen Defense: Hekili-Loa Gambit	1. e4 b6 2. d4 c5 3. dxc5 Nc6
B00	Owen Defense: Matovinsky Gambit	1. e4 b6 2. d4 Bb7 3. Bd3 f5 4. exf5 Bxg2 5. Qh5+ g6
B00	Owen Defense: Naselwaus Gambit	1. e4 b6 2. d4 Bb7 3. Bg5
B00	Owen Defense: Smith Gambit	1. e4 b6 2. d4 Bb7 3. Nf3
B00	Owen Defense: Unicorn Variation	1. e4 f6 2. d4 b6 3. c4 Bb7
B00	Owen Defense: Wind Gambit	1. e4 b6 2. d4 Bb7 3. f3 e5
B00	Pirc Defense	1. e4 d6
B00	Pirc Defense	1. e4 d6 2. d4
B00	Pirc Defense	1. e4 d6 2. d4 Nf6
B00	Pirc Defense: Roscher Gambit	1. e4 d6 2. d4 Nf6 3. Nf3
B00	Rat Defense: Antal Defense	1. e4 d6 2. d4 Nd7
B00	Rat Defense: Fuller Gambit	1. e4 d6 2. f4 d5 3. exd5 Nf6
B00	Rat Defense: Harmonist	1. e4 d6 2. f4
B00	Rat Defense: Petruccioli Attack	1. e4 d6 2. h4
B00	Rat Defense: Spike Attack	1. e4 d6 2. g4
B00	St. George Defense	1. e4 a6
B00	St. George Defense: Polish Variation	1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6
B00	St. George Defense: San Jorge Variation	1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg7
B00	St. George Defense: Zilbermints Gambit	1. e4 a6 2. d4 e5
B00	Van Geet Opening: Berlin Gambit	1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5
B00	Ware Defense	1. e4 a5
B00	Ware Defense: Snagglepuss Defense	1. e4 a5 2. d4 Nc6
B01	Scandinavian Defense	1. e4 d5
B01	Scandinavian Defense	1. e4 d5 2. b3
B01	Scandinavian Defense: Anderssen Counterattack	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5
B01	Scandinavian Defense: Anderssen Counterattack, Collijn Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4
B01	Scandinavian Defense: Anderssen Counterattack, Goteborg System	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3
B01	Scandinavian Defense: Anderssen Counterattack, Orthodox Attack	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd2
B01	Scandinavian Defense: Blackburne Gambit	1. e4 d5 2. exd5 c6 3. dxc6 Nxc6
B01	Scandinavian Defense: Blackburne-Kloosterboer Gambit	1. e4 d5 2. exd5 c6
B01	Scandinavian Defense: Boehnke Gambit	1. e4 d5 2. exd5 e5 3. dxe6 Bxe6
B01	Scandinavian Defense: Bronstein Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6
B01	Scandinavian Defense: Classical Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5
B01	Scandinavian Defense: Grünfeld Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4
B01	Scandinavian Defense: Gubinsky-Melts Defense	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
B01	Scandinavian Defense: Icelandic-Palme Gambit	1. e4 d5 2. exd5 Nf6 3. c4 e6
B01	Scandinavian Defense: Kiel Variation	1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4
B01	Scandinavian Defense: Kloosterboer Gambit	1. e4 d5 2. exd5 c6 3. dxc6 e5
B01	Scandinavian Defense: Kádas Gambit	1. e4 d5 2. exd5 Nf6 3. d4 c6 4. dxc6 e5
B01	Scandinavian Defense: Lasker Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3
B01	Scandinavian Defense: Main Line	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5
B01	Scandinavian Defense: Main Line, Leonhardt Gambit	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4
B01	Scandinavian Defense: Main Line, Mieses Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6
B01	Scandinavian Defense: Marshall Variation	1. e4 d5 2. exd5 Nf6 3. d4 Nxd5
B01	Scandinavian Defense: Mieses-Kotroc Variation	1. e4 d5 2. exd5 Qxd5
B01	Scandinavian Defense: Modern Variation	1. e4 d5 2. exd5 Nf6
B01	Scandinavian Defense: Modern Variation	1. e4 d5 2. exd5 Nf6 3. d4
B01	Scandinavian Defense: Modern Variation, Gipslis Variation	1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4
B01	Scandinavian Defense: Modern Variation, Wing Gambit	1. e4 d5 2. exd5 Nf6 3. d4 g6 4. c4 b5
B01	Scandinavian Defense: Panov Transfer	1. e4 d5 2. exd5 Nf6 3. c4 c6
B01	Scandinavian Defense: Portuguese Gambit	1. e4 d5 2. exd5 Nf6 3. d4 Bg4
B01	Scandinavian Defense: Portuguese Gambit, Banker Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4
B01	Scandinavian Defense: Portuguese Gambit, Classical Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3
B01	Scandinavian Defense: Portuguese Gambit, Correspondence Refutation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. g4
B01	Scandinavian Defense: Portuguese Gambit, Elbow Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ c6
B01	Scandinavian Defense: Portuguese Gambit, Jadoul Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4
B01	Scandinavian Defense: Portuguese Gambit, Lusophobe Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ Nbd7 5. Be2
B01	Scandinavian Defense: Portuguese Gambit, Melbourne Shuffle Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. Nc3
B01	Scandinavian Defense: Portuguese Gambit, Wuss Variation	1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2
B01	Scandinavian Defense: Richter Variation	1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6
B01	Scandinavian Defense: Richter Variation	1. e4 d5 2. exd5 Nf6 3. d4 g6
B01	Scandinavian Defense: Schiller-Pytel Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6
B01	Scandinavian Defense: Schiller-Pytel Variation, Modern Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 c6 6. Nge2 Bf5 7. Bf4 Qb4
B01	Scandinavian Defense: Valencian Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8
B01	Scandinavian Defense: Valencian Variation, Ilundain Variation	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 c6
B01	Scandinavian Defense: Valencian Variation, Main Line	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4
B01	Scandinavian Defense: Zilbermints Gambit	1. e4 d5 2. b4
B01	Van Geet Opening: Grünfeld Defense	1. e4 d5 2. Nc3 dxe4 3. Nxe4 e5
B02	Alekhine Defense	1. e4 Nf6
B02	Alekhine Defense: Brooklyn Variation	1. e4 Nf6 2. e5 Ng8
B02	Alekhine Defense: Brooklyn Variation, Everglades Variation	1. e4 Nf6 2. e5 Ng8 3. d4 f5
B02	Alekhine Defense: Buckley Attack	1. e4 Nf6 2. e5 Nd5 3. Na3
B02	Alekhine Defense: Hunt Variation, Lasker Simul Gambit	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3
B02	Alekhine Defense: Hunt Variation, Matsukevich Gambit	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bg5
B02	Alekhine Defense: Hunt Variation, Mikenas Gambit	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 7. Nxd5 exd5 8. Bxd5
B02	Alekhine Defense: Kmoch Variation	1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3
B02	Alekhine Defense: Krejcik Variation	1. e4 Nf6 2. Bc4
B02	Alekhine Defense: Krejcik Variation, Krejcik Gambit	1. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+
B02	Alekhine Defense: Maróczy Variation	1. e4 Nf6 2. d3
B02	Alekhine Defense: Mokele Mbembe	1. e4 Nf6 2. e5 Ne4
B02	Alekhine Defense: Mokele Mbembe, Modern Line	1. e4 Nf6 2. e5 Ne4 3. d4 f6
B02	Alekhine Defense: Mokele Mbembe, Vavra Defense	1. e4 Nf6 2. e5 Ne4 3. d4 e6
B02	Alekhine Defense: Normal Variation	1. e4 Nf6 2. e5 Nd5
B02	Alekhine Defense: Scandinavian Variation	1. e4 Nf6 2. Nc3 d5
B02	Alekhine Defense: Scandinavian Variation, Geschev Gambit	1. e4 Nf6 2. Nc3 d5 3. exd5 c6
B02	Alekhine Defense: Scandinavian Variation, Myers Gambit	1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Bg5
B02	Alekhine Defense: Spielmann Gambit	1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6
B02	Alekhine Defense: Steiner Variation	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b3
B02	Alekhine Defense: Sämisch Attack	1. e4 Nf6 2. e5 Nd5 3. Nc3
B02	Alekhine Defense: The Squirrel	1. e4 Nf6 2. e5 Nd5 3. c4 Nf4
B02	Alekhine Defense: Two Pawns Attack	1. e4 Nf6 2. e5 Nd5 3. c4
B02	Alekhine Defense: Two Pawns Attack, Lasker Variation	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5
B02	Alekhine Defense: Two Pawns Attack, Mikenas Variation	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6
B02	Alekhine Defense: Two Pawns Attack, Tate Variation	1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. a4
B02	Alekhine Defense: Welling Variation	1. e4 Nf6 2. e5 Nd5 3. b3
B03	Alekhine Defense	1. e4 Nf6 2. e5 Nd5 3. d4
B03	Alekhine Defense	1. e4 Nf6 2. e5 Nd5 3. d4 d6
B03	Alekhine Defense	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4
B03	Alekhine Defense: Balogh Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4
B03	Alekhine Defense: Exchange Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6
B03	Alekhine Defense: Exchange Variation, Karpov Variation	1. 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. Bf4
B03	Alekhine Defense: Exchange Variation, Voronezh Variation	1. 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. b3
B03	Alekhine Defense: Four Pawns Attack	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4
B03	Alekhine Defense: Four Pawns Attack, Cambridge Gambit	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5
B03	Alekhine Defense: Four Pawns Attack, Fianchetto Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6
B03	Alekhine Defense: Four Pawns Attack, Ilyin-Zhenevsky Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. e6 fxe6 9. c5
B03	Alekhine Defense: Four Pawns Attack, Korchnoi Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be2 O-O 10. O-O f6
B03	Alekhine Defense: Four Pawns Attack, Main Line	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3
B03	Alekhine Defense: Four Pawns Attack, Tartakower Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Qd7 10. Be2 O-O-O 11. O-O Be7
B03	Alekhine Defense: Four Pawns Attack, Trifunovic Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5
B03	Alekhine Defense: Hunt Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. c5
B03	Alekhine Defense: Modern Variation, Alekhine Gambit	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2
B03	Alekhine Defense: O'Sullivan Gambit	1. e4 Nf6 2. e5 Nd5 3. d4 b5
B04	Alekhine Defense: Modern Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3
B04	Alekhine Defense: Modern Variation, Alburt Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6
B04	Alekhine Defense: Modern Variation, Keres Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4
B04	Alekhine Defense: Modern Variation, Larsen Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5
B04	Alekhine Defense: Modern Variation, Larsen-Haakert Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6
B04	Alekhine Defense: Modern Variation, Schmid Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6
B05	Alekhine Defense: Modern Variation, Alekhine Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4
B05	Alekhine Defense: Modern Variation, Flohr Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6
B05	Alekhine Defense: Modern Variation, Main Line	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4
B05	Alekhine Defense: Modern Variation, Panov Variation	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3
B05	Alekhine Defense: Modern Variation, Vitolins Attack	1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. d5
B06	Modern Defense	1. e4 g6
B06	Modern Defense	1. e4 g6 2. d4 Bg7
B06	Modern Defense: Anti-Modern	1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Qe2
B06	Modern Defense: Bishop Attack	1. e4 g6 2. d4 Bg7 3. Bc4
B06	Modern Defense: Bishop Attack, Bücker Gambit	1. e4 g6 2. d4 Bg7 3. Bc4 b5
B06	Modern Defense: Bishop Attack, Monkey's Bum	1. e4 g6 2. Bc4 Bg7 3. Qf3 e6 4. d4 Bxd4
B06	Modern Defense: Dunworthy Variation	1. e4 g6 2. d4 Bg7 3. c4 d5 4. exd5 c6 5. dxc6 Bxd4
B06	Modern Defense: Fianchetto Gambit	1. e4 g6 2. d4 f5
B06	Modern Defense: Gurgenidze Defense	1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5
B06	Modern Defense: Lizard Defense, Mittenberger Gambit	1. e4 g6 2. d4 Bg7 3. Nc3 d5
B06	Modern Defense: Masur Gambit	1. e4 g6 2. d4 Nh6 3. Nc3 f5 4. Bxh6 Bxh6 5. exf5 O-O
B06	Modern Defense: Modern Pterodactyl	1. e4 g6 2. d4 Bg7 3. Nc3 c5
B06	Modern Defense: Mongredien Defense, with Nc3	1. e4 g6 2. d4 Bg7 3. Nc3 b6
B06	Modern Defense: Mongredien Defense, with Nf3	1. e4 g6 2. d4 Bg7 3. Nf3 b6
B06	Modern Defense: Norwegian Defense	1. e4 g6 2. d4 Nf6
B06	Modern Defense: Norwegian Defense, Norwegian Gambit	1. e4 g6 2. d4 Nf6 3. e5 Nh5 4. Be2 d6
B06	Modern Defense: Pseudo-Austrian Attack	1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4
B06	Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Declined	1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nf3 d6 5. Be2 Qa5+
B06	Modern Defense: Standard Defense	1. e4 g6 2. d4 Bg7 3. Nc3 d6
B06	Modern Defense: Standard Line	1. e4 g6 2. d4 Bg7 3. Nc3
B06	Modern Defense: Three Pawns Attack	1. e4 g6 2. d4 Bg7 3. f4
B06	Modern Defense: Two Knights Variation	1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3
B06	Modern Defense: Two Knights Variation, Suttles Variation	1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6
B06	Modern Defense: Two Knights Variation, Suttles Variation, Tal Gambit	1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. Bg5 Qb6 6. Qd2 Qxb2
B06	Modern Defense: Westermann Gambit	1. e4 g6 2. d4 Bg7 3. Bd2
B06	Modern Defense: Wind Gambit	1. e4 g6 2. d4 Bg7 3. Bd3
B06	Pterodactyl Defense: Austrian, Austriadactylus Western	1. e4 g6 2. d4 Bg7 3. f4 c5 4. Nf3 Qa5+
B06	Pterodactyl Defense: Austrian, Grand Prix Pterodactyl	1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Qa5
B06	Pterodactyl Defense: Austrian, Pteranodon	1. e4 g6 2. d4 Bg7 3. f4 c5 4. c3 Qa5
B06	Pterodactyl Defense: Central, Anhanguera	1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa5
B06	Pterodactyl Defense: Central, Benoni Quetzalcoatlus	1. e4 g6 2. d4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Qa5
B06	Pterodactyl Defense: Central, Quetzalcoatlus Gambit	1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. dxc5 Qa5
B06	Pterodactyl Defense: Eastern, Anhanguera	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3
B06	Pterodactyl Defense: Eastern, Benoni	1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5
B06	Pterodactyl Defense: Eastern, Benoni Pteranodon	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5
B06	Pterodactyl Defense: Eastern, Benoni Pterodactyl	1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 Qa5
B06	Pterodactyl Defense: Eastern, Pteranodon	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5
B06	Pterodactyl Defense: Eastern, Pterodactyl	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5
B06	Pterodactyl Defense: Eastern, Rhamphorhynchus	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5
B06	Pterodactyl Defense: Fianchetto, King Pterodactyl	1. e4 g6 2. d4 Bg7 3. g3 c5 4. Nf3 Qa5+
B06	Pterodactyl Defense: Fianchetto, Rhamphorhynchus	1. e4 g6 2. d4 Bg7 3. g3 c5 4. dxc5 Qa5+
B06	Pterodactyl Defense: Sicilian, Quetzalcoatlus	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d6
B06	Pterodactyl Defense: Sicilian, Siroccopteryx	1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Bc4
B06	Pterodactyl Defense: Western, Anhanguera	1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Qa5+
B06	Pterodactyl Defense: Western, Siroccopteryx	1. e4 g6 2. Nf3 Bg7 3. d4 c5 4. Bc4 cxd4 5. Nxd4 Qa5+
B06	Rat Defense: Accelerated Gurgenidze	1. e4 g6 2. d4 d6 3. Nc3 c6
B07	Czech Defense	1. e4 d6 2. d4 Nf6 3. Nc3 c6
B07	King's Pawn Game: Maróczy Defense	1. e4 d6 2. d4 e5
B07	Lion Defense: Anti-Philidor	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4
B07	Lion Defense: Anti-Philidor, Lion's Cave	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5
B07	Lion Defense: Anti-Philidor, Lion's Cave, Lion Claw Gambit	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 d5
B07	Lion Defense: Bayonet Attack	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. g4
B07	Modern Defense: Geller's System	1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3
B07	Pirc Defense	1. e4 d6 2. d4 Nf6 3. Nc3 g6
B07	Pirc Defense: 150 Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2
B07	Pirc Defense: 150 Attack, Inner Doll Defense	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Bg4
B07	Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3
B07	Pirc Defense: Bayonet Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4
B07	Pirc Defense: Byrne Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5
B07	Pirc Defense: Chinese Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g4
B07	Pirc Defense: Kholmov System	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4
B07	Pirc Defense: Sveshnikov System	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3
B08	Pirc Defense: Classical Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3
B08	Pirc Defense: Classical Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7
B08	Pirc Defense: Classical Variation, Quiet System	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2
B08	Pirc Defense: Classical Variation, Quiet System, Chigorin Line	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6
B08	Pirc Defense: Classical Variation, Quiet System, Czech Defense	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6
B08	Pirc Defense: Classical Variation, Quiet System, Parma Defense	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4
B08	Pirc Defense: Classical Variation, Schlechter Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3
B09	Pirc Defense: Austrian Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4
B09	Pirc Defense: Austrian Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O
B09	Pirc Defense: Austrian Attack, Dragon Formation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5
B09	Pirc Defense: Austrian Attack, Kurajica Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3
B09	Pirc Defense: Austrian Attack, Ljubojevic Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bc4
B09	Pirc Defense: Austrian Attack, Unzicker Attack	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5
B09	Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. h4
B09	Pirc Defense: Austrian Attack, Weiss Variation	1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3
B10	Caro-Kann Defense	1. e4 c6
B10	Caro-Kann Defense	1. e4 c6 2. Nc3
B10	Caro-Kann Defense	1. e4 c6 2. Nc3 d5
B10	Caro-Kann Defense: Accelerated Panov Attack	1. e4 c6 2. c4
B10	Caro-Kann Defense: Accelerated Panov Attack	1. e4 c6 2. c4 d5
B10	Caro-Kann Defense: Accelerated Panov Attack, Modern Variation	1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6
B10	Caro-Kann Defense: Accelerated Panov Attack, Open Variation	1. e4 c6 2. c4 e5
B10	Caro-Kann Defense: Accelerated Panov Attack, Pseudo-Scandinavian	1. e4 c6 2. c4 d5 3. exd5 Qxd5
B10	Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack	1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qb3
B10	Caro-Kann Defense: Apocalypse Attack	1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5
B10	Caro-Kann Defense: Breyer Variation	1. e4 c6 2. d3
B10	Caro-Kann Defense: Breyer Variation, Stein Attack	1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. Bg2 Ne7 7. O-O O-O 8. b4
B10	Caro-Kann Defense: Endgame Offer	1. e4 c6 2. Nf3 d5 3. d3
B10	Caro-Kann Defense: Endgame Variation	1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1
B10	Caro-Kann Defense: Euwe Attack	1. e4 c6 2. b3
B10	Caro-Kann Defense: Goldman Variation	1. e4 c6 2. Nc3 d5 3. Qf3
B10	Caro-Kann Defense: Hector Gambit	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Ng5
B10	Caro-Kann Defense: Hillbilly Attack	1. e4 c6 2. Bc4
B10	Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit	1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5
B10	Caro-Kann Defense: Labahn Attack	1. e4 c6 2. b4
B10	Caro-Kann Defense: Labahn Attack, Double Gambit	1. e4 c6 2. b4 d5 3. b5
B10	Caro-Kann Defense: Labahn Attack, Polish Variation	1. e4 c6 2. b4 e5 3. Bb2
B10	Caro-Kann Defense: Scorpion-Horus Gambit	1. e4 c6 2. Nc3 d5 3. d3 dxe4 4. Bg5
B10	Caro-Kann Defense: Spike Variation	1. e4 c6 2. g4
B10	Caro-Kann Defense: Spike Variation, Scorpion-Grob Gambit	1. e4 c6 2. g4 d5 3. Nc3 dxe4 4. d3
B10	Caro-Kann Defense: St. Patrick's Attack	1. e4 c6 2. Nc3 d5 3. h3
B10	Caro-Kann Defense: Toikkanen Gambit	1. e4 c6 2. c4 d5 3. e5
B10	Caro-Kann Defense: Two Knights Attack	1. e4 c6 2. Nc3 d5 3. Nf3
B11	Caro-Kann Defense: Two Knights Attack, Mindeno Variation	1. e4 c6 2. Nc3 d5 3. Nf3 Bg4
B11	Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line	1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3
B11	Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Retreat Line	1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5
B12	Caro-Kann Defense	1. e4 c6 2. d4
B12	Caro-Kann Defense	1. e4 c6 2. d4 d5
B12	Caro-Kann Defense: Advance Variation	1. e4 c6 2. d4 d5 3. e5
B12	Caro-Kann Defense: Advance Variation, Bayonet Attack	1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4
B12	Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense	1. e4 c6 2. d4 d5 3. e5 c5
B12	Caro-Kann Defense: Advance Variation, Bronstein Variation	1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2
B12	Caro-Kann Defense: Advance Variation, Prins Attack	1. e4 c6 2. d4 d5 3. e5 Bf5 4. b4
B12	Caro-Kann Defense: Advance Variation, Short Variation	1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3
B12	Caro-Kann Defense: Advance Variation, Tal Variation	1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4
B12	Caro-Kann Defense: Advance Variation, Van der Wiel Attack	1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3
B12	Caro-Kann Defense: Advance Variation, Van der Wiel Attack	1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4
B12	Caro-Kann Defense: Advance Variation, Van der Wiel Attack, Dreyev Defense	1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 Qb6
B12	Caro-Kann Defense: Advance, Short Variation	1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be2
B12	Caro-Kann Defense: De Bruycker Defense	1. e4 c6 2. d4 Na6
B12	Caro-Kann Defense: De Bruycker Defense	1. e4 c6 2. d4 Na6 3. Nc3 Nc7
B12	Caro-Kann Defense: Edinburgh Variation	1. e4 c6 2. d4 d5 3. Nd2 Qb6
B12	Caro-Kann Defense: Maróczy Variation	1. e4 c6 2. d4 d5 3. f3
B12	Caro-Kann Defense: Maróczy Variation, Maróczy Gambit	1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc4
B12	Caro-Kann Defense: Masi Variation	1. e4 c6 2. d4 Nf6
B12	Caro-Kann Defense: Massachusetts Defense	1. e4 c6 2. d4 f5
B12	Caro-Kann Defense: Mieses Attack, Landau Gambit	1. e4 c6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. e6
B12	Caro-Kann Defense: Mieses Gambit	1. e4 c6 2. d4 d5 3. Be3
B12	Caro-Kann Defense: Modern Variation	1. e4 c6 2. d4 d5 3. Nd2
B12	Caro-Kann Defense: Ulysses Gambit	1. e4 c6 2. d4 d5 3. Nf3 dxe4 4. Ng5
B13	Caro-Kann Defense: Exchange Variation	1. e4 c6 2. d4 d5 3. exd5
B13	Caro-Kann Defense: Exchange Variation	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6
B13	Caro-Kann Defense: Exchange Variation, Bulla Attack	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. g4
B13	Caro-Kann Defense: Exchange Variation, Rubinstein Variation	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4
B13	Caro-Kann Defense: Panov Attack	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4
B13	Caro-Kann Defense: Panov Attack	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3
B13	Caro-Kann Defense: Panov Attack, Gunderam Attack	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5
B13	Caro-Kann Defense: Panov Attack, Modern Defense	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6
B13	Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6
B13	Caro-Kann Defense: Panov Attack, Modern Defense, Czerniak Line	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5
B13	Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4
B13	Caro-Kann Defense: Panov Attack, Modern Defense, Reifir-Spielmann Line	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6
B13	Caro-Kann Defense: Panov-Botvinnik, Herzog Defense	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. d5 Na5
B14	Caro-Kann Defense: Panov Attack	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6
B14	Caro-Kann Defense: Panov Attack, Fianchetto Defense	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6
B14	Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7
B14	Caro-Kann Defense: Panov Attack, Main Line	1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4
B15	Caro-Kann Defense	1. e4 c6 2. d4 d5 3. Nc3
B15	Caro-Kann Defense	1. e4 c6 2. d4 d5 3. Nc3 dxe4
B15	Caro-Kann Defense: Alekhine Gambit	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3
B15	Caro-Kann Defense: Alien Gambit	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng5 h6 6. Nxf7
B15	Caro-Kann Defense: Campomanes Attack	1. e4 c6 2. d4 d5 3. Nc3 Nf6
B15	Caro-Kann Defense: Forgacs Variation	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4
B15	Caro-Kann Defense: Gurgenidze Counterattack	1. e4 c6 2. d4 d5 3. Nc3 b5
B15	Caro-Kann Defense: Gurgenidze System	1. e4 c6 2. d4 d5 3. Nc3 g6
B15	Caro-Kann Defense: Main Line	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4
B15	Caro-Kann Defense: Rasa-Studier Gambit	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3
B15	Caro-Kann Defense: Tartakower Variation	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6
B15	Caro-Kann Defense: von Hennig Gambit	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4
B16	Caro-Kann Defense: Bronstein-Larsen Variation	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6
B16	Caro-Kann Defense: Finnish Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 h6
B17	Caro-Kann Defense: Karpov Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7
B17	Caro-Kann Defense: Karpov Variation, Modern Main Line	1. 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. Qxe4
B17	Caro-Kann Defense: Karpov Variation, Modern Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5
B17	Caro-Kann Defense: Karpov Variation, Modern Variation, Ivanchuk Defense	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ndf6
B17	Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack	1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3
B17	Caro-Kann Defense: Karpov Variation, Smyslov Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6
B17	Caro-Kann Defense: Karpov Variation, Smyslov Variation, Main Line	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3
B17	Caro-Kann Defense: Karpov Variation, Tiviakov-Fischer Attack	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6
B18	Caro-Kann Defense: Classical Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5
B18	Caro-Kann Defense: Classical Variation, Flohr Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3
B18	Caro-Kann Defense: Classical Variation, Main Line	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4
B18	Caro-Kann Defense: Classical Variation, Maróczy Attack	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4
B18	Caro-Kann Defense: Martian Gambit	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng5 Bg6 6. N1f3 h6 7. Ne6
B19	Caro-Kann Defense: Classical Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7
B19	Caro-Kann Defense: Classical Variation, Lobron System	1. 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 Be7
B19	Caro-Kann Defense: Classical Variation, Seirawan Variation	1. 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 Bd6
B19	Caro-Kann Defense: Classical Variation, Spassky Variation	1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
B20	Sicilian Defense	1. e4 c5
B20	Sicilian Defense: Amazon Attack	1. e4 c5 2. Qg4
B20	Sicilian Defense: Big Clamp Formation	1. e4 c5 2. d3 Nc6 3. c3 d6 4. f4
B20	Sicilian Defense: Bowdler Attack	1. e4 c5 2. Bc4
B20	Sicilian Defense: Brick Variation	1. e4 c5 2. Nh3
B20	Sicilian Defense: Euwe Attack, Prins Gambit	1. e4 c5 2. b3 d5 3. Bb2
B20	Sicilian Defense: Gloria Variation	1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5
B20	Sicilian Defense: Grob Variation	1. e4 c5 2. g4
B20	Sicilian Defense: Keres Variation	1. e4 c5 2. Ne2
B20	Sicilian Defense: King David's Opening	1. e4 c5 2. Ke2
B20	Sicilian Defense: Kronberger Variation	1. e4 c5 2. Na3
B20	Sicilian Defense: Kronberger Variation, Nemeth Gambit	1. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc4
B20	Sicilian Defense: Lasker-Dunne Attack	1. e4 c5 2. g3
B20	Sicilian Defense: Mengarini Variation	1. e4 c5 2. a3
B20	Sicilian Defense: Myers Attack, with a4	1. e4 c5 2. a4
B20	Sicilian Defense: Myers Attack, with h4	1. e4 c5 2. h4
B20	Sicilian Defense: Snyder Variation	1. e4 c5 2. b3
B20	Sicilian Defense: Snyder Variation, Queen Fianchetto Variation	1. e4 c5 2. b3 b6
B20	Sicilian Defense: Staunton-Cochrane Variation	1. e4 c5 2. c4
B20	Sicilian Defense: Wing Gambit	1. e4 c5 2. b4
B20	Sicilian Defense: Wing Gambit, Abrahams Variation	1. e4 c5 2. b4 cxb4 3. Bb2
B20	Sicilian Defense: Wing Gambit, Carlsbad Variation	1. e4 c5 2. b4 cxb4 3. a3 bxa3
B20	Sicilian Defense: Wing Gambit, Marienbad Variation	1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2
B20	Sicilian Defense: Wing Gambit, Marshall Variation	1. e4 c5 2. b4 cxb4 3. a3
B20	Sicilian Defense: Wing Gambit, Nanu Gambit	1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. c4 Qe6 7. Bd3
B20	Sicilian Defense: Wing Gambit, Romanian Defense	1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe6
B20	Sicilian Defense: Wing Gambit, Santasiere Variation	1. e4 c5 2. b4 cxb4 3. c4
B21	Bird Opening: Dutch Variation, Batavo Gambit	1. e4 c5 2. f4 d5 3. Nf3 dxe4
B21	Sicilian Defense: Coles Sicilian Gambit	1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bc4
B21	Sicilian Defense: Halasz Gambit	1. e4 c5 2. d4 cxd4 3. f4
B21	Sicilian Defense: McDonnell Attack	1. e4 c5 2. f4
B21	Sicilian Defense: McDonnell Attack, Tal Gambit	1. e4 c5 2. f4 d5 3. exd5 Nf6
B21	Sicilian Defense: Morphy Gambit	1. e4 c5 2. d4 cxd4 3. Nf3
B21	Sicilian Defense: Morphy Gambit, Andreaschek Gambit	1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c3
B21	Sicilian Defense: Smith-Morra Gambit	1. e4 c5 2. d4
B21	Sicilian Defense: Smith-Morra Gambit	1. e4 c5 2. d4 cxd4 3. c3
B21	Sicilian Defense: Smith-Morra Gambit Accepted	1. e4 c5 2. d4 cxd4 3. c3 dxc3
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. O-O a6 8. Qe2 b5 9. Bb3 Ra7
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Bc4 Nf6 7. O-O a6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. O-O Nf6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf3
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Finegold Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 d6 6. Bc4 a6 7. O-O Be7 8. Qe2 Nf6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Kan Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 a6 8. O-O Bd6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bc5
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense Deferred	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O b5 8. Bb3 Bc5
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 Nf6 8. O-O Ng4
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Sozin Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. O-O a6 8. Qe2 b5
B21	Sicilian Defense: Smith-Morra Gambit Accepted, Taimanov Formation	1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 Ne7
B21	Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation	1. e4 c5 2. d4 cxd4 3. c3 Nf6
B21	Sicilian Defense: Smith-Morra Gambit Declined, Center Formation	1. e4 c5 2. d4 cxd4 3. c3 e5
B21	Sicilian Defense: Smith-Morra Gambit Declined, Dubois Variation	1. e4 c5 2. d4 cxd4 3. c3 d3 4. c4
B21	Sicilian Defense: Smith-Morra Gambit Declined, Push Variation	1. e4 c5 2. d4 cxd4 3. c3 d3
B21	Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation	1. e4 c5 2. d4 cxd4 3. c3 d5
B21	Sicilian Defense: Smith-Morra Gambit Declined, Wing Formation	1. e4 c5 2. d4 cxd4 3. c3 Qa5
B22	Sicilian Defense: Alapin Variation	1. e4 c5 2. c3
B22	Sicilian Defense: Alapin Variation, Barmen Defense	1. e4 c5 2. c3 d5 3. exd5 Qxd5
B22	Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange	1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4
B22	Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation	1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 7. Nc3 Bxf3 8. gxf3 Qxd4 9. Qxd4 Nxd4
B22	Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack	1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 e5 7. Nc3 Bb4 8. Be2
B22	Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line	1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4
B22	Sicilian Defense: Alapin Variation, Smith-Morra Declined	1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
B22	Sicilian Defense: Alapin Variation, Stoltz Attack	1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3
B22	Sicilian Defense: Alapin Variation, Stoltz Attack, Ivanchuk Line	1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2 g5
B22	Sicilian Defense: Delayed Alapin Variation	1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6
B22	Sicilian Defense: Heidenfeld Variation	1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3
B23	Sicilian Defense: Closed	1. e4 c5 2. Nc3
B23	Sicilian Defense: Closed	1. e4 c5 2. Nc3 e6
B23	Sicilian Defense: Closed	1. e4 c5 2. Nc3 e6 3. g3
B23	Sicilian Defense: Closed, Chameleon Variation	1. e4 c5 2. Nc3 Nc6 3. Nge2
B23	Sicilian Defense: Closed, Grob Attack	1. e4 c5 2. Nc3 Nc6 3. g4
B23	Sicilian Defense: Closed, Korchnoi Defense	1. e4 c5 2. Nc3 e6 3. g3 d5
B23	Sicilian Defense: Closed, Traditional	1. e4 c5 2. Nc3 Nc6
B23	Sicilian Defense: Grand Prix Attack	1. e4 c5 2. Nc3 Nc6 3. f4
B23	Sicilian Defense: Grand Prix Attack, Schofman Variation	1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5
B24	Sicilian Defense: Closed	1. e4 c5 2. Nc3 Nc6 3. g3 g6
B24	Sicilian Defense: Closed	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
B24	Sicilian Defense: Closed, Fianchetto Variation	1. e4 c5 2. Nc3 Nc6 3. g3
B24	Sicilian Defense: Closed, Smyslov Variation	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2
B25	Sicilian Defense: Closed	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
B25	Sicilian Defense: Closed	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4
B25	Sicilian Defense: Closed, Botvinnik Defense, Edge Variation	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7
B25	Sicilian Defense: Closed, Botvinnik Defense, with Nge2	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5
B25	Sicilian Defense: Closed, Botvinnik Defense, with f4	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5
B26	Sicilian Defense: Closed	1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3
B27	Modern Defense: Pterodactyl Variation	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5
B27	Pterodactyl Defense: Sicilian, Anhanguera	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3
B27	Pterodactyl Defense: Sicilian, Benoni Gambit	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. d5
B27	Pterodactyl Defense: Sicilian, Pteranodon	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3
B27	Pterodactyl Defense: Sicilian, Rhamphorhynchus	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3
B27	Pterodactyl Defense: Sicilian, Unpin	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2
B27	Pterodactyl Defense: Western, Pterodactyl	1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 Qa5
B27	Pterodactyl Defense: Western, Rhamphorhynchus	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+
B27	Sicilian Defense	1. e4 c5 2. Nf3
B27	Sicilian Defense: Acton Extension	1. e4 c5 2. Nf3 g6 3. c4 Bh6
B27	Sicilian Defense: Brussels Gambit	1. e4 c5 2. Nf3 f5
B27	Sicilian Defense: Bücker Variation	1. e4 c5 2. Nf3 h6
B27	Sicilian Defense: Double-Dutch Gambit	1. e4 c5 2. Nf3 f5 3. exf5 Nh6
B27	Sicilian Defense: Frederico Variation	1. e4 c5 2. Nf3 g6 3. d4 f5
B27	Sicilian Defense: Hyperaccelerated Dragon	1. e4 c5 2. Nf3 g6
B27	Sicilian Defense: Hyperaccelerated Fianchetto	1. e4 c5 2. Nf3 g6 3. d4
B27	Sicilian Defense: Hyperaccelerated Pterodactyl	1. e4 c5 2. Nf3 g6 3. d4 Bg7
B27	Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation	1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3 Qxc3+
B27	Sicilian Defense: Jalalabad Variation	1. e4 c5 2. Nf3 e5
B27	Sicilian Defense: Katalimov Variation	1. e4 c5 2. Nf3 b6
B27	Sicilian Defense: Mongoose Variation	1. e4 c5 2. Nf3 Qa5
B27	Sicilian Defense: Polish Gambit	1. e4 c5 2. Nf3 b5
B27	Sicilian Defense: Quinteros Variation	1. e4 c5 2. Nf3 Qc7
B28	Sicilian Defense: O'Kelly Variation	1. e4 c5 2. Nf3 a6
B28	Sicilian Defense: O'Kelly Variation, Aronin System	1. e4 c5 2. Nf3 a6 3. Be2
B28	Sicilian Defense: O'Kelly Variation, Kieseritzky System	1. e4 c5 2. Nf3 a6 3. b3
B28	Sicilian Defense: O'Kelly Variation, Maróczy Bind	1. e4 c5 2. Nf3 a6 3. c4
B28	Sicilian Defense: O'Kelly Variation, Maróczy Bind, Paulsen Line	1. e4 c5 2. Nf3 a6 3. c4 e6
B28	Sicilian Defense: O'Kelly Variation, Maróczy Bind, Robatsch Line	1. e4 c5 2. Nf3 a6 3. c4 d6
B28	Sicilian Defense: O'Kelly Variation, Normal System	1. e4 c5 2. Nf3 a6 3. d4
B28	Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit	1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc4
B28	Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line	1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3
B28	Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line	1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5
B28	Sicilian Defense: O'Kelly Variation, Normal System, Zagorovsky Line	1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd4
B28	Sicilian Defense: O'Kelly Variation, Quiet System	1. e4 c5 2. Nf3 a6 3. d3
B28	Sicilian Defense: O'Kelly Variation, Réti System	1. e4 c5 2. Nf3 a6 3. g3
B28	Sicilian Defense: O'Kelly Variation, Venice System	1. e4 c5 2. Nf3 a6 3. c3
B28	Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line	1. e4 c5 2. Nf3 a6 3. c3 Nf6
B28	Sicilian Defense: O'Kelly Variation, Venice System, Gambit Line	1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Nf6
B28	Sicilian Defense: O'Kelly Variation, Venice System, Ljubojevic Line	1. e4 c5 2. Nf3 a6 3. c3 b5
B28	Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line	1. e4 c5 2. Nf3 a6 3. c3 d6
B28	Sicilian Defense: O'Kelly Variation, Wing Gambit	1. e4 c5 2. Nf3 a6 3. b4
B28	Sicilian Defense: O'Kelly Variation, Yerevan System	1. e4 c5 2. Nf3 a6 3. Nc3
B29	Sicilian Defense: Nimzowitsch Variation	1. e4 c5 2. Nf3 Nf6
B29	Sicilian Defense: Nimzowitsch Variation, Advance Variation	1. e4 c5 2. Nf3 Nf6 3. e5
B29	Sicilian Defense: Nimzowitsch Variation, Closed Variation	1. e4 c5 2. Nf3 Nf6 3. Nc3
B29	Sicilian Defense: Nimzowitsch Variation, Exchange Variation	1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3
B29	Sicilian Defense: Nimzowitsch Variation, Main Line	1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6
B30	Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Bg5
B30	Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6	1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6
B30	Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6	1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6
B30	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack	1. e4 c5 2. Nf3 Nc6 3. Bb5
B30	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat Defense	1. e4 c5 2. Nf3 Nc6 3. Bb5 Nb8
B30	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit	1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4
B30	Sicilian Defense: Old Sicilian	1. e4 c5 2. Nf3 Nc6
B30	Sicilian Defense: Portsmouth Gambit	1. e4 c5 2. Nf3 Nc6 3. b4
B31	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
B31	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d4
B31	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. d4
B31	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qa4
B31	Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4
B32	Sicilian Defense: Accelerated Dragon	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6
B32	Sicilian Defense: Flohr Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7
B32	Sicilian Defense: Franco-Sicilian Variation	1. e4 c5 2. Nf3 Nc6 3. d4 e6
B32	Sicilian Defense: Godiva Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6
B32	Sicilian Defense: Kalashnikov Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6
B32	Sicilian Defense: Löwenthal Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5
B32	Sicilian Defense: Nimzo-American Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5
B32	Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e5
B32	Sicilian Defense: Open	1. e4 c5 2. Nf3 Nc6 3. d4
B32	Sicilian Defense: Open	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
B32	Sicilian Defense: Open	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4
B33	Sicilian Defense: Lasker-Pelikan Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5
B33	Sicilian Defense: Lasker-Pelikan Variation, Bird Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6
B33	Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6
B33	Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3
B33	Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3
B33	Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5
B33	Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
B33	Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5
B33	Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7
B33	Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5
B33	Sicilian Defense: Open	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6
B34	Sicilian Defense: Accelerated Dragon, Exchange Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6
B34	Sicilian Defense: Accelerated Dragon, Modern Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3
B35	Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4
B35	Sicilian Defense: Dragon Variation, Modern Bc4 Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6
B36	Sicilian Defense: Accelerated Dragon, Maróczy Bind	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4
B36	Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6
B37	Sicilian Defense: Accelerated Dragon, Maróczy Bind	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7
B37	Sicilian Defense: Accelerated Dragon, Simagin Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6
B38	Sicilian Defense: Accelerated Dragon, Maróczy Bind	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3
B39	Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4
B40	Sicilian Defense: Alapin Variation, Sherzer Variation	1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc6
B40	Sicilian Defense: Delayed Alapin Variation, with e6	1. e4 c5 2. Nf3 e6 3. c3
B40	Sicilian Defense: Drazic Variation	1. e4 c5 2. Nf3 e6 3. d4 a6
B40	Sicilian Defense: French Variation	1. e4 c5 2. Nf3 e6
B40	Sicilian Defense: French Variation, Normal	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6
B40	Sicilian Defense: French Variation, Open	1. e4 c5 2. Nf3 e6 3. d4 cxd4
B40	Sicilian Defense: French Variation, Westerinen Attack	1. e4 c5 2. Nf3 e6 3. b3
B40	Sicilian Defense: Gaw-Paw Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6
B40	Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation	1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4
B40	Sicilian Defense: Kramnik Variation	1. e4 c5 2. Nf3 e6 3. c4
B40	Sicilian Defense: Kveinis Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6
B40	Sicilian Defense: Marshall Counterattack	1. e4 c5 2. Nf3 e6 3. d4 d5
B40	Sicilian Defense: Paulsen-Basman Defense	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc5
B40	Sicilian Defense: Pin Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4
B40	Sicilian Defense: Pin Variation, Jaffe Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5
B40	Sicilian Defense: Pin Variation, Koch Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5
B40	Sicilian Defense: Smith-Morra Gambit Deferred	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c3
B40	Sicilian Defense: Wing Gambit Deferred	1. e4 c5 2. Nf3 e6 3. b4
B41	Sicilian Defense: Kan Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6
B41	Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6
B41	Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc2
B41	Sicilian Defense: Kan Variation, Maróczy Bind, Hedgehog Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 g6
B41	Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4
B42	Sicilian Defense: Kan Variation, Gipslis Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6
B42	Sicilian Defense: Kan Variation, Modern Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3
B42	Sicilian Defense: Kan Variation, Polugaevsky Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5
B42	Sicilian Defense: Kan Variation, Swiss Cheese Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6
B43	Sicilian Defense: Kan Variation, Knight Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3
B43	Sicilian Defense: Kan Variation, Wing Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5
B43	Sicilian Defense: Kan Variation, Wing Attack, Christiansen's Dream	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Qg4
B43	Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nf3
B44	Sicilian Defense: Taimanov Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6
B44	Sicilian Defense: Taimanov Variation, Gary Gambit	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 d5
B44	Sicilian Defense: Taimanov Variation, Modern Line	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O b6
B44	Sicilian Defense: Taimanov Variation, Szén Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5
B45	Sicilian Defense: Four Knights Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6
B45	Sicilian Defense: Four Knights Variation, American Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+
B45	Sicilian Defense: Four Knights Variation, Cobra Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc5
B45	Sicilian Defense: Four Knights Variation, Exchange Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6
B45	Sicilian Defense: Four Knights Variation, Sveshnikov Transfer	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6
B45	Sicilian Defense: Taimanov Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3
B46	Sicilian Defense: Taimanov Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6
B47	Sicilian Defense: Taimanov Variation, Bastrikov Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7
B47	Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6
B48	Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3
B49	Sicilian Defense: Taimanov Variation, Bastrikov Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2
B50	Sicilian Defense	1. e4 c5 2. Nf3 d6 3. d4
B50	Sicilian Defense	1. e4 c5 2. Nf3 d6 3. d4 cxd4
B50	Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit	1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc3
B50	Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Gambit	1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4
B50	Sicilian Defense: Delayed Alapin Variation, with d6	1. e4 c5 2. Nf3 d6 3. c3
B50	Sicilian Defense: Kopec System	1. e4 c5 2. Nf3 d6 3. Bd3
B50	Sicilian Defense: Kotov Gambit	1. e4 c5 2. Nf3 d6 3. g3 b5
B50	Sicilian Defense: Modern Variations	1. e4 c5 2. Nf3 d6
B50	Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order	1. e4 c5 2. Nf3 d6 3. d4 Nf6
B50	Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order Accepted	1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4
B50	Sicilian Defense: Modern Variations, Tartakower	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3
B50	Sicilian Defense: Wing Gambit, Deferred Variation	1. e4 c5 2. Nf3 d6 3. b4
B51	Sicilian Defense: Moscow Variation	1. e4 c5 2. Nf3 d6 3. Bb5+
B51	Sicilian Defense: Moscow Variation, Dorfman Gambit	1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Qe2 g6 6. e5
B51	Sicilian Defense: Moscow Variation, Moscow Gambit	1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Bxc6 Bxc6 8. d4 Bxe4 9. Bg5
B52	Sicilian Defense: Moscow Variation, Haag Gambit	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4
B52	Sicilian Defense: Moscow Variation, Main Line	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
B52	Sicilian Defense: Moscow Variation, Sokolsky Variation	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4
B53	Sicilian Defense: Chekhover Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4
B53	Sicilian Defense: Chekhover Variation, Zaitsev Defense	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7
B54	Sicilian Defense: Dragon Variation, Accelerated Dragon	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6
B54	Sicilian Defense: Modern Variations, Ginsberg Gambit	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc4
B54	Sicilian Defense: Modern Variations, Main Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6
B54	Sicilian Defense: Prins Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3
B55	Sicilian Defense: Prins Variation, Venice Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+
B56	Sicilian Defense: Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6
B56	Sicilian Defense: Classical Variation, Fianchetto Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3
B56	Sicilian Defense: Kupreichik Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7
B56	Sicilian Defense: Spielmann Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde2
B56	Sicilian Defense: Venice Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+
B56	Sicilian Defense: Yates Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3
B57	Sicilian Defense: Classical Variation, Anti-Sozin Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6
B57	Sicilian Defense: Classical Variation, Sozin Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4
B57	Sicilian Defense: Magnus Smith Trap	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. Nxc6 bxc6 8. e5
B58	Sicilian Defense: Boleslavsky Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5
B58	Sicilian Defense: Boleslavsky Variation, Louma Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6
B58	Sicilian Defense: Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2
B58	Sicilian Defense: Classical Variation, Dragon Transfer	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Nxd4 7. Qxd4 g6
B59	Sicilian Defense: Boleslavsky Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3
B60	Sicilian Defense: Richter-Rauzer Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5
B60	Sicilian Defense: Richter-Rauzer Variation, Dragon Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 g6
B60	Sicilian Defense: Richter-Rauzer Variation, Modern Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7
B61	Sicilian Defense: Richter-Rauzer Variation, Modern Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2
B62	Sicilian Defense: Richter-Rauzer Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6
B62	Sicilian Defense: Richter-Rauzer Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3
B62	Sicilian Defense: Richter-Rauzer Variation, Exchange Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc6
B62	Sicilian Defense: Richter-Rauzer Variation, Podebrady Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Nb3
B62	Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb5
B63	Sicilian Defense: Richter-Rauzer Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7
B63	Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 a6 10. f4 b5
B63	Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6
B63	Sicilian Defense: Richter-Rauzer Variation, Traditional Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2
B64	Sicilian Defense: Richter-Rauzer Variation, Classical Variation	1. 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 e5
B64	Sicilian Defense: Richter-Rauzer Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4
B65	Sicilian Defense: Richter-Rauzer Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4
B65	Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4
B66	Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6
B67	Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7
B68	Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7
B69	Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6
B70	Sicilian Defense: Dragon Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6
B70	Sicilian Defense: Dragon Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2
B70	Sicilian Defense: Dragon Variation, Fianchetto Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3
B71	Sicilian Defense: Dragon Variation, Levenfish Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4
B71	Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7
B72	Sicilian Defense: Dragon Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3
B72	Sicilian Defense: Dragon Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2
B72	Sicilian Defense: Dragon Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6
B72	Sicilian Defense: Dragon Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3
B72	Sicilian Defense: Dragon Variation, Classical Variation, Amsterdam Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2
B72	Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. O-O-O
B73	Sicilian Defense: Dragon Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Be3
B73	Sicilian Defense: Dragon Variation, Classical Variation, Battery Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Qd2
B73	Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Be2 Nf6 7. Nc3 O-O 8. O-O d6 9. f4 Qb6 10. e5
B74	Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8. O-O d6 9. Nb3 a5
B74	Sicilian Defense: Dragon Variation, Classical Variation, Bernard Defense	1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5
B74	Sicilian Defense: Dragon Variation, Classical Variation, Maróczy Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5
B74	Sicilian Defense: Dragon Variation, Classical Variation, Normal Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3
B74	Sicilian Defense: Dragon Variation, Classical Variation, Spielmann Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8. Nb3 d6 9. O-O Be6 10. f4 Na5 11. f5 Bc4 12. Bd3
B74	Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack	1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Be2 O-O 9. Nb3 Be6 10. O-O Na5 11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. g4
B74	Sicilian Defense: Dragon Variation, Classical Variation, Tartakower Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Qc8
B75	Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6
B75	Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3
B76	Sicilian Defense: Dragon Variation, Yugoslav Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O
B76	Sicilian Defense: Dragon Variation, Yugoslav Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6
B76	Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O
B76	Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. g4
B77	Sicilian Defense: Dragon Variation, Yugoslav Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7
B77	Sicilian Defense: Dragon Variation, Yugoslav Attack, Byrne Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a5
B77	Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6
B77	Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4
B77	Sicilian Defense: Dragon Variation, Yugoslav Attack, Sosonko Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nd7
B78	Sicilian Defense: Dragon Variation, Yugoslav Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O
B78	Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8
B79	Sicilian Defense: Dragon Variation, Yugoslav Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Qa5 11. O-O-O Rfc8 12. Bb3
B79	Sicilian Defense: Dragon Variation, Yugoslav Attack, Soltis Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Qa5 11. h4 Rfc8 12. Bb3 h5
B80	Sicilian Defense: Scheveningen Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6
B80	Sicilian Defense: Scheveningen Variation, English Attack, with Qd2	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2
B80	Sicilian Defense: Scheveningen Variation, Fianchetto Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3
B80	Sicilian Defense: Scheveningen Variation, Vitolins Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5+
B81	Sicilian Defense: Scheveningen Variation, Keres Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4
B82	Sicilian Defense: Scheveningen Variation, Matanovic Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4
B82	Sicilian Defense: Scheveningen Variation, Tal Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Qf3
B83	Sicilian Defense: Scheveningen Variation, Classical Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2
B83	Sicilian Defense: Scheveningen Variation, Modern Variation	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6
B83	Sicilian Defense: Scheveningen Variation, Modern Variation	1. 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
B83	Sicilian Defense: Scheveningen Variation, Modern Variation	1. 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. Nb3
B84	Sicilian Defense: Najdorf Variation, Scheveningen Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7
B84	Sicilian Defense: Scheveningen Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6
B84	Sicilian Defense: Scheveningen Variation, Classical Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7
B85	Sicilian Defense: Scheveningen Variation, Classical Main Line	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Be7 9. f4 d6 10. Qe1 O-O
B85	Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. O-O Nc6
B85	Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation	1. 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. f4
B85	Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation	1. 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. a4
B86	Sicilian Defense: Sozin Attack	1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4
B87	Sicilian Defense: Sozin Attack, Flank Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5
B88	Sicilian Defense: Sozin Attack, Fischer Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O 9. f4
B88	Sicilian Defense: Sozin Attack, Leonhardt Variation	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6
B89	Sicilian Defense: Sozin Attack, Main Line	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3
B89	Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O Na5 10. f4 b6
B89	Sicilian Defense: Velimirovic Attack	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2
B90	Sicilian Defense: Najdorf Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
B90	Sicilian Defense: Najdorf Variation, Adams Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3
B90	Sicilian Defense: Najdorf Variation, Dekker Gambit	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g4
B90	Sicilian Defense: Najdorf Variation, English Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3
B90	Sicilian Defense: Najdorf Variation, English Attack, Anti-English	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4
B90	Sicilian Defense: Najdorf Variation, Freak Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1
B90	Sicilian Defense: Najdorf Variation, Lipnitsky Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4
B90	Sicilian Defense: Scheveningen Variation, Delayed Keres Attack	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4
B90	Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5
B90	Sicilian Defense: Scheveningen Variation, English Attack, with f3	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3
B91	Sicilian Defense: Najdorf Variation, Zagreb Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3
B92	Sicilian Defense: Najdorf Variation, Opocensky Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2
B92	Sicilian Defense: Najdorf Variation, Opocensky Variation	1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be6 8. Be3
B92	Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6
B92	Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O
B93	Sicilian Defense: Najdorf Variation, Amsterdam Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4
B94	Sicilian Defense: Najdorf Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5
B94	Sicilian Defense: Najdorf Variation, Ivkov Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. O-O-O b5 10. Bb3 Bb7 11. Rhe1 Nc5 12. e5
B95	Sicilian Defense: Najdorf Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6
B96	Sicilian Defense: Najdorf Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
B96	Sicilian Defense: Najdorf Variation, Neo-Classical Defense	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc6
B96	Sicilian Defense: Najdorf Variation, Polugaevsky Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5
B96	Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2
B97	Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3
B97	Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6
B98	Sicilian Defense: Najdorf Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7
B98	Sicilian Defense: Najdorf Variation, Browne Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7
B98	Sicilian Defense: Najdorf Variation, Goteborg Variation	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5
B98	Sicilian Defense: Najdorf Variation, Traditional Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7
B99	Sicilian Defense: Najdorf Variation, Main Line	1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7