| Name | ECO | Main line length |
|---|
| Sicilian Defense | B20 | 2 plies |
| Sicilian Defense: Mengarini Variation | B20 | 3 plies |
| Sicilian Defense: Grob Variation | B20 | 3 plies |
| Sicilian Defense: Wing Gambit | B20 | 3 plies |
| Sicilian Defense: Staunton-Cochrane Variation | B20 | 3 plies |
| Sicilian Defense: Czerniak Attack | B20 | 3 plies |
| Sicilian Defense: Myers Attack, with h4 | B20 | 3 plies |
| Sicilian Defense: Myers Attack, with a4 | B20 | 3 plies |
| Sicilian Defense: Lasker-Dunne Attack | B20 | 3 plies |
| Sicilian Defense: Smith-Morra Gambit | B21 | 3 plies |
| Sicilian Defense: McDonnell Attack | B21 | 3 plies |
| Sicilian Defense: Alapin Variation | B22 | 3 plies |
| Sicilian Defense: Keres Variation | B20 | 3 plies |
| Sicilian Defense: Kronberger Variation | B20 | 3 plies |
| Sicilian Defense: King David's Opening | B20 | 3 plies |
| Sicilian Defense: Amazon Attack | B20 | 3 plies |
| Sicilian Defense: Brick Variation | B20 | 3 plies |
| Sicilian Defense: Bowdler Attack | B20 | 3 plies |
| Sicilian Defense: Closed | B23 | 3 plies |
| Sicilian Defense | B27 | 3 plies |
| Sicilian Defense: Czerniak Attack, Queen Fianchetto Variation | B20 | 4 plies |
| Sicilian Defense: Closed | B23 | 4 plies |
| Sicilian Defense: Bücker Variation | B27 | 4 plies |
| Sicilian Defense: Hyperaccelerated Dragon | B27 | 4 plies |
| Sicilian Defense: Brussels Gambit | B27 | 4 plies |
| Sicilian Defense: Polish Gambit | B27 | 4 plies |
| Sicilian Defense: Jalalabad Variation | B27 | 4 plies |
| Sicilian Defense: Katalimov Variation | B27 | 4 plies |
| Sicilian Defense: O'Kelly Variation | B28 | 4 plies |
| Sicilian Defense: French Variation | B40 | 4 plies |
| Sicilian Defense: Modern Variations | B50 | 4 plies |
| Sicilian Defense: Closed, Traditional | B23 | 4 plies |
| Sicilian Defense: Quinteros Variation | B27 | 4 plies |
| Sicilian Defense: Mongoose Variation | B27 | 4 plies |
| Sicilian Defense: Nimzowitsch Variation | B29 | 4 plies |
| Sicilian Defense: Old Sicilian | B30 | 4 plies |
| Sicilian Defense: Euwe Attack, Prins Gambit | B20 | 5 plies |
| Sicilian Defense: McDonnell Attack, Toilet Variation | B21 | 5 plies |
| Sicilian Defense: Closed | B23 | 5 plies |
| Sicilian Defense: Hyperaccelerated Dragon | B27 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Quiet System | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Normal System | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Wing Gambit | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Venice System | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Kieseritzky System | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Maróczy Bind | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Réti System | B28 | 5 plies |
| Sicilian Defense: Delayed Alapin Variation, with e6 | B40 | 5 plies |
| Sicilian Defense: French Variation, Westerinen Attack | B40 | 5 plies |
| Sicilian Defense: Kramnik Variation | B40 | 5 plies |
| Sicilian Defense: Wing Gambit Deferred | B40 | 5 plies |
| Sicilian Defense: Delayed Alapin Variation, with d6 | B50 | 5 plies |
| Sicilian Defense: Wing Gambit, Deferred Variation | B50 | 5 plies |
| Sicilian Defense | B50 | 5 plies |
| Sicilian Defense: Wing Gambit, Santasiere Variation | B20 | 5 plies |
| Sicilian Defense: Wing Gambit, Marshall Variation | B20 | 5 plies |
| Sicilian Defense: Smith-Morra Gambit | B21 | 5 plies |
| Sicilian Defense: Halasz Gambit | B21 | 5 plies |
| Sicilian Defense: Closed, Grob Attack | B23 | 5 plies |
| Sicilian Defense: Grand Prix Attack | B23 | 5 plies |
| Sicilian Defense: Closed, Fianchetto Variation | B24 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Yerevan System | B28 | 5 plies |
| Sicilian Defense: O'Kelly Variation, Aronin System | B28 | 5 plies |
| Sicilian Defense: Nimzowitsch Variation, Advance Variation | B29 | 5 plies |
| Sicilian Defense: Portsmouth Gambit | B30 | 5 plies |
| Sicilian Defense: Open | B32 | 5 plies |
| Sicilian Defense: Kopec System | B50 | 5 plies |
| Sicilian Defense: Wing Gambit, Abrahams Variation | B20 | 5 plies |
| Sicilian Defense: Morphy Gambit | B21 | 5 plies |
| Sicilian Defense: Nimzowitsch Variation, Closed Variation | B29 | 5 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | B30 | 5 plies |
| Sicilian Defense: Moscow Variation | B51 | 5 plies |
| Sicilian Defense: Closed, Chameleon Variation | B23 | 5 plies |
| Sicilian Defense: Closed, Korchnoi Defense | B23 | 6 plies |
| Sicilian Defense: Frederico Variation | B27 | 6 plies |
| Sicilian Defense: O'Kelly Variation, Maróczy Bind, Paulsen Line | B28 | 6 plies |
| Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line | B28 | 6 plies |
| Sicilian Defense: O'Kelly Variation, Venice System, Ljubojevic Line | B28 | 6 plies |
| Sicilian Defense: O'Kelly Variation, Maróczy Bind, Robatsch Line | B28 | 6 plies |
| Sicilian Defense: Drazic Variation | B40 | 6 plies |
| Sicilian Defense: Marshall Counterattack | B40 | 6 plies |
| Sicilian Defense: Kotov Gambit | B50 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Center Formation | B21 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation | B21 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | B21 | 6 plies |
| Sicilian Defense: Closed | B24 | 6 plies |
| Sicilian Defense: Acton Extension | B27 | 6 plies |
| Sicilian Defense: Hyperaccelerated Pterodactyl | B27 | 6 plies |
| Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line | B28 | 6 plies |
| Sicilian Defense: Franco-Sicilian Variation | B32 | 6 plies |
| Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order | B50 | 6 plies |
| Sicilian Defense: McDonnell Attack, Tal Gambit | B21 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Wing Formation | B21 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation | B21 | 6 plies |
| Sicilian Defense: Alapin Variation, Anti-Alapin Gambit | B22 | 6 plies |
| Sicilian Defense: Closed, Anti-Sveshnikov Variation | B30 | 6 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | B31 | 6 plies |
| Sicilian Defense: French Variation, Open | B40 | 6 plies |
| Sicilian Defense | B50 | 6 plies |
| Sicilian Defense: Wing Gambit, Carlsbad Variation | B20 | 6 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted | B21 | 6 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense | B22 | 6 plies |
| Sicilian Defense: Double-Dutch Gambit | B27 | 6 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat Defense | B30 | 6 plies |
| Sicilian Defense: Open | B32 | 6 plies |
| Sicilian Defense: Moscow Variation, Main Line | B52 | 6 plies |
| Sicilian Defense: Big Clamp Formation | B20 | 7 plies |
| Sicilian Defense: Smith-Morra Gambit Declined, Dubois Variation | B21 | 7 plies |
| Sicilian Defense: Closed, Portland Attack | B23 | 7 plies |
| Sicilian Defense: Morphy Gambit, Andreaschek Gambit | B21 | 7 plies |
| Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line | B28 | 7 plies |
| Sicilian Defense: Smith-Morra Gambit Deferred | B40 | 7 plies |
| Sicilian Defense: Modern Variations, Tartakower | B50 | 7 plies |
| Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit | B28 | 7 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit | B30 | 7 plies |
| Sicilian Defense: Kronberger Variation, Nemeth Gambit | B20 | 7 plies |
| Sicilian Defense: Gloria Variation | B20 | 8 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation | B21 | 7 plies |
| Sicilian Defense: O'Kelly Variation, Normal System, Zagorovsky Line | B28 | 7 plies |
| Sicilian Defense: Chekhover Variation | B53 | 7 plies |
| Sicilian Defense: Open | B32 | 7 plies |
| Sicilian Defense: Alapin Variation, Smith-Morra Declined | B22 | 8 plies |
| Sicilian Defense: Closed | B24 | 8 plies |
| Sicilian Defense: O'Kelly Variation, Venice System, Gambit Line | B28 | 8 plies |
| Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line | B28 | 8 plies |
| Sicilian Defense: Kan Variation | B41 | 8 plies |
| Sicilian Defense: Dragon Variation, Accelerated Dragon | B54 | 8 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | B21 | 8 plies |
| Sicilian Defense: Nimzowitsch Variation, Exchange Variation | B29 | 8 plies |
| Sicilian Defense: Löwenthal Variation | B32 | 8 plies |
| Sicilian Defense: Nimzo-American Variation | B32 | 8 plies |
| Sicilian Defense: Accelerated Dragon | B32 | 8 plies |
| Sicilian Defense: Kveinis Variation | B40 | 8 plies |
| Sicilian Defense: French Variation, Normal | B40 | 8 plies |
| Sicilian Defense: Paulsen-Basman Defense | B40 | 8 plies |
| Sicilian Defense: Taimanov Variation | B44 | 8 plies |
| Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order Accepted | B50 | 8 plies |
| Sicilian Defense: Modern Variations, Main Line | B54 | 8 plies |
| Sicilian Defense: Godiva Variation | B32 | 8 plies |
| Sicilian Defense: Flohr Variation | B32 | 8 plies |
| Sicilian Defense: Open | B33 | 8 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense | B22 | 9 plies |
| Sicilian Defense: Heidenfeld Variation | B22 | 9 plies |
| Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | B41 | 9 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense | B22 | 9 plies |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | B36 | 9 plies |
| Sicilian Defense: Kan Variation, Modern Variation | B42 | 9 plies |
| Sicilian Defense: Kan Variation, Knight Variation | B43 | 9 plies |
| Sicilian Defense: Prins Variation | B54 | 9 plies |
| Sicilian Defense: Wing Gambit, Marienbad Variation | B20 | 9 plies |
| Sicilian Defense: Closed, Carlsen Variation | B23 | 9 plies |
| Sicilian Defense: Closed | B25 | 10 plies |
| Sicilian Defense: Accelerated Dragon, Modern Variation | B34 | 9 plies |
| Sicilian Defense: Alapin Variation, Sherzer Variation | B40 | 10 plies |
| Sicilian Defense: Taimanov Variation, Szén Variation | B44 | 9 plies |
| Sicilian Defense: Taimanov Variation | B45 | 9 plies |
| Sicilian Defense: Modern Variations, Ginsberg Gambit | B54 | 9 plies |
| Sicilian Defense: Coles Sicilian Gambit | B21 | 9 plies |
| Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | B30 | 10 plies |
| Sicilian Defense: Accelerated Dragon, Exchange Variation | B34 | 9 plies |
| Sicilian Defense: Kan Variation, Maróczy Bind, Hedgehog Variation | B41 | 10 plies |
| Sicilian Defense: Delayed Alapin Variation | B22 | 10 plies |
| Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | B30 | 10 plies |
| Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | B32 | 10 plies |
| Sicilian Defense: Kan Variation, Swiss Cheese Variation | B42 | 10 plies |
| Sicilian Defense: Kan Variation, Wing Attack | B43 | 10 plies |
| Sicilian Defense: Moscow Variation, Sokolsky Variation | B52 | 9 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Kan Formation | B21 | 10 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | B21 | 10 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | B22 | 10 plies |
| Sicilian Defense: Kalashnikov Variation | B32 | 10 plies |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | B37 | 10 plies |
| Sicilian Defense: Kan Variation, Polugaevsky Variation | B42 | 10 plies |
| Sicilian Defense: Taimanov Variation | B46 | 10 plies |
| Sicilian Defense: Dragon Variation | B70 | 10 plies |
| Sicilian Defense: Scheveningen Variation | B80 | 10 plies |
| Sicilian Defense: Najdorf Variation | B90 | 10 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | B21 | 10 plies |
| Sicilian Defense: Lasker-Pelikan Variation | B33 | 10 plies |
| Sicilian Defense: Pin Variation | B40 | 10 plies |
| Sicilian Defense: Gaw-Paw Variation | B40 | 10 plies |
| Sicilian Defense: Four Knights Variation | B45 | 10 plies |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation | B47 | 10 plies |
| Sicilian Defense: Chekhover Variation, Zaitsev Defense | B53 | 10 plies |
| Sicilian Defense: Kupreichik Variation | B56 | 10 plies |
| Sicilian Defense: Classical Variation | B56 | 10 plies |
| Sicilian Defense: Closed | B25 | 11 plies |
| Sicilian Defense: Grand Prix Attack, Schofman Variation | B23 | 11 plies |
| Sicilian Defense: Closed | B26 | 11 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit | B31 | 11 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit | B31 | 11 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation | B31 | 11 plies |
| Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation | B40 | 11 plies |
| Sicilian Defense: Alapin Variation, Stoltz Attack | B22 | 11 plies |
| Sicilian Defense: Closed, Botvinnik Defense, with f4 | B25 | 12 plies |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack | B31 | 11 plies |
| Sicilian Defense: Moscow Variation, Dorfman Gambit | B51 | 11 plies |
| Sicilian Defense: Dragon Variation, Fianchetto Variation | B70 | 11 plies |
| Sicilian Defense: Dragon Variation, Levenfish Variation | B71 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Fianchetto Variation | B80 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Keres Attack | B81 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Matanovic Attack | B82 | 11 plies |
| Sicilian Defense: Najdorf Variation, Adams Attack | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Dekker Gambit | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Zagreb Variation | B91 | 11 plies |
| Sicilian Defense: Najdorf Variation, Amsterdam Variation | B93 | 11 plies |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | B38 | 11 plies |
| Sicilian Defense: Pin Variation, Koch Variation | B40 | 11 plies |
| Sicilian Defense: Prins Variation, Venice Attack | B55 | 11 plies |
| Sicilian Defense: Classical Variation, Fianchetto Variation | B56 | 11 plies |
| Sicilian Defense: Dragon Variation, Classical Variation | B70 | 11 plies |
| Sicilian Defense: Dragon Variation | B72 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation | B83 | 11 plies |
| Sicilian Defense: Sozin Attack | B86 | 11 plies |
| Sicilian Defense: Najdorf Variation, English Attack | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Yates Variation | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Petronić Attack | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Lipnitsky Attack | B90 | 11 plies |
| Sicilian Defense: Najdorf Variation, Opocensky Variation | B92 | 11 plies |
| Sicilian Defense: Najdorf Variation | B94 | 11 plies |
| Sicilian Defense: Closed, Botvinnik Defense, with Nge2 | B25 | 12 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation | B33 | 11 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | B33 | 11 plies |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | B48 | 11 plies |
| Sicilian Defense: Venice Attack | B56 | 11 plies |
| Sicilian Defense: Classical Variation, Sozin Attack | B57 | 11 plies |
| Sicilian Defense: Classical Variation | B58 | 11 plies |
| Sicilian Defense: Richter-Rauzer Variation | B60 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Vitolins Variation | B80 | 11 plies |
| Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line | B30 | 12 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation | B33 | 11 plies |
| Sicilian Defense: Four Knights Variation, Exchange Variation | B45 | 11 plies |
| Sicilian Defense: Spielmann Variation | B56 | 11 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation | B84 | 12 plies |
| Sicilian Defense: Najdorf Variation | B95 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation | B21 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Taimanov Formation | B21 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | B21 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | B21 | 12 plies |
| Sicilian Defense: Nimzowitsch Variation, Main Line | B29 | 12 plies |
| Sicilian Defense: Pin Variation, Jaffe Variation | B40 | 12 plies |
| Sicilian Defense: Boleslavsky Variation | B58 | 12 plies |
| Sicilian Defense: Richter-Rauzer Variation, Dragon Variation | B60 | 12 plies |
| Sicilian Defense: Richter-Rauzer Variation | B62 | 12 plies |
| Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line | B71 | 12 plies |
| Sicilian Defense: Scheveningen Variation, Modern Variation | B83 | 12 plies |
| Sicilian Defense: Sozin Attack, Leonhardt Variation | B88 | 12 plies |
| Sicilian Defense: Najdorf Variation, English Attack, Anti-English | B90 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation | B21 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense | B21 | 12 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense | B21 | 12 plies |
| Sicilian Defense: Four Knights Variation, Sveshnikov Transfer | B45 | 12 plies |
| Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Gambit | B50 | 12 plies |
| Sicilian Defense: Classical Variation, Anti-Sozin Variation | B57 | 12 plies |
| Sicilian Defense: Richter-Rauzer Variation, Modern Variation | B60 | 12 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange | B22 | 12 plies |
| Sicilian Defense: Four Knights Variation, Cobra Variation | B45 | 12 plies |
| Sicilian Defense: Closed, Smyslov Variation | B24 | 13 plies |
| Sicilian Defense: Scheveningen Variation, English Attack, with f3 | B90 | 13 plies |
| Sicilian Defense: Scheveningen Variation, Delayed Keres Attack | B90 | 13 plies |
| Sicilian Defense: Najdorf Variation | B96 | 13 plies |
| Sicilian Defense: Wing Gambit, Nanu Gambit | B20 | 13 plies |
| Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation | B27 | 12 plies |
| Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack | B43 | 13 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | B75 | 13 plies |
| Sicilian Defense: Scheveningen Variation, English Attack, with Qd2 | B80 | 13 plies |
| Sicilian Defense: Delayed Alapin Variation | B22 | 13 plies |
| Sicilian Defense: Closed, Botvinnik Defense, Edge Variation | B25 | 14 plies |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation | B49 | 13 plies |
| Sicilian Defense: Boleslavsky Variation | B59 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation | B62 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation | B62 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Podebrady Variation | B62 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Traditional Variation | B63 | 13 plies |
| Sicilian Defense: Dragon Variation, Classical Variation | B72 | 13 plies |
| Sicilian Defense: Sozin Attack, Main Line | B89 | 13 plies |
| Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | B35 | 13 plies |
| Sicilian Defense: Kan Variation, Gipslis Variation | B42 | 14 plies |
| Sicilian Defense: Boleslavsky Variation, Louma Variation | B58 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Modern Variation | B61 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Exchange Variation | B62 | 13 plies |
| Sicilian Defense: Najdorf Variation, Polugaevsky Variation | B96 | 14 plies |
| Sicilian Defense: Moscow Variation, Haag Gambit | B52 | 13 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Hungarian Dragon | B75 | 14 plies |
| Sicilian Defense: Sozin Attack, Flank Variation | B87 | 14 plies |
| Sicilian Defense: Najdorf Variation, Neo-Classical Defense | B96 | 14 plies |
| Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation | B97 | 14 plies |
| Sicilian Defense: Najdorf Variation | B98 | 14 plies |
| Sicilian Defense: Wing Gambit, Romanian Defense | B20 | 14 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense | B21 | 14 plies |
| Sicilian Defense: Accelerated Dragon, Simagin Variation | B37 | 14 plies |
| Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation | B41 | 14 plies |
| Sicilian Defense: Four Knights Variation, American Attack | B45 | 13 plies |
| Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | B66 | 14 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | B75 | 14 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack | B76 | 14 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation | B84 | 14 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation | B21 | 14 plies |
| Sicilian Defense: Dragon Variation, Modern Bc4 Variation | B35 | 14 plies |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | B39 | 14 plies |
| Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation | B63 | 14 plies |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation | B63 | 14 plies |
| Sicilian Defense: Dragon Variation, Classical Variation | B72 | 14 plies |
| Sicilian Defense: Najdorf Variation, Scheveningen Variation | B84 | 14 plies |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | B36 | 14 plies |
| Sicilian Defense: Classical Variation, Dragon Transfer | B58 | 14 plies |
| Sicilian Defense: Najdorf Variation, English Attack | B90 | 15 plies |
| Sicilian Defense: Najdorf Variation, English Attack | B90 | 15 plies |
| Sicilian Defense: Najdorf Variation, English Attack | B90 | 15 plies |
| Sicilian Defense: Najdorf Variation, English Attack | B90 | 15 plies |
| Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation | B41 | 15 plies |
| Sicilian Defense: Kan Variation, Wing Attack, Christiansen's Dream | B43 | 15 plies |
| Sicilian Defense: Scheveningen Variation, Tal Variation | B82 | 15 plies |
| Sicilian Defense: Najdorf Variation, Opocensky Variation | B92 | 15 plies |
| Sicilian Defense: Dragon Variation, Classical Variation | B72 | 15 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Amsterdam Variation | B72 | 15 plies |
| Sicilian Defense: Dragon Variation, Classical Variation | B73 | 15 plies |
| Sicilian Defense: Velimirovic Attack | B89 | 15 plies |
| Sicilian Defense: Alapin Variation, Stoltz Attack, Ivanchuk Line | B22 | 16 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack | B22 | 15 plies |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit | B47 | 15 plies |
| Sicilian Defense: Magnus Smith Trap | B57 | 15 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Sozin Formation | B21 | 16 plies |
| Sicilian Defense: Taimanov Variation, Gary Gambit | B44 | 16 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation | B85 | 16 plies |
| Sicilian Defense: Najdorf Variation, Traditional Line | B98 | 16 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense Deferred | B21 | 16 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Finegold Defense | B21 | 16 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | B33 | 16 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack | B76 | 16 plies |
| Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | B92 | 16 plies |
| Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line | B92 | 16 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense | B21 | 16 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | B33 | 16 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap | B21 | 16 plies |
| Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | B67 | 16 plies |
| Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit | B90 | 17 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | B76 | 17 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation | B85 | 17 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | B33 | 17 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | B77 | 17 plies |
| Sicilian Defense: Scheveningen Variation, Modern Variation | B83 | 17 plies |
| Sicilian Defense: Sozin Attack, Fischer Variation | B88 | 17 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Battery Variation | B73 | 17 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Normal Line | B74 | 17 plies |
| Sicilian Defense: Najdorf Variation, Goteborg Variation | B98 | 18 plies |
| Sicilian Defense: Moscow Variation, Moscow Gambit | B51 | 17 plies |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation | B64 | 17 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | B76 | 17 plies |
| Sicilian Defense: Najdorf Variation, Browne Variation | B98 | 18 plies |
| Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense | B21 | 18 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation | B72 | 17 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Byrne Variation | B77 | 18 plies |
| Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit | B50 | 17 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line | B74 | 18 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | B77 | 18 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Sosonko Variation | B77 | 18 plies |
| Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted | B97 | 18 plies |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation | B64 | 18 plies |
| Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | B68 | 18 plies |
| Sicilian Defense: Najdorf Variation, Main Line | B99 | 18 plies |
| Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack | B65 | 18 plies |
| Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation | B85 | 19 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit | B73 | 19 plies |
| Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line | B96 | 19 plies |
| Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation | B22 | 18 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | B77 | 19 plies |
| Sicilian Defense: Scheveningen Variation, Modern Variation | B83 | 19 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack | B78 | 19 plies |
| Sicilian Defense: Taimanov Variation, Modern Line | B44 | 20 plies |
| Sicilian Defense: Scheveningen Variation, Classical Main Line | B85 | 20 plies |
| Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation | B89 | 20 plies |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation | B65 | 19 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Maróczy Line | B74 | 20 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Tartakower Line | B74 | 20 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | B33 | 20 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | B33 | 20 plies |
| Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line | B63 | 20 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | B77 | 20 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | B78 | 20 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Chinese Dragon | B78 | 20 plies |
| Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack | B69 | 21 plies |
| Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice | B33 | 21 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | B77 | 22 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Spielmann Variation | B74 | 23 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack | B79 | 23 plies |
| Sicilian Defense: Najdorf Variation, Ivkov Variation | B94 | 23 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation | B78 | 23 plies |
| Sicilian Defense: Dragon Variation, Yugoslav Attack, Soltis Variation | B79 | 24 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Bernard Defense | B74 | 26 plies |
| Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack | B74 | 27 plies |