ecocodes
a1b2c3d4e5f6g7h8
After 1...c5 · White to move

Sicilian Defense

The list files 400 lines under the name Sicilian Defense, spread over 80 codes (B20–B99). No opening in the list has more named lines. B21 alone holds 41 of them. From the starting position of Sicilian Defense, the most-travelled continuation is 2.Nf3, with 294 lines. The deepest, Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack, runs to 14.g4. At the end of 65 lines one side is ahead on material; 70 names contain the word Gambit.

Score sheet
#WhiteBlack
1e4c5

Where the lines split

Three hundred and ninety-nine of the 400 lines continue from 1...c5; the bars show how many take each next move, and the indented rows the most common reply.

  1. 2.Nf3294
    1. 2...d6122
    2. 2...Nc667
    3. 2...e663
    4. 2...a620
  2. 2.d433
    1. 2...cxd432
  3. 2.Nc325
    1. 2...Nc616
    2. 2...e66
    3. 2...d62
  4. 2.c313
    1. 2...d58
    2. 2...Nf64
  5. 2.b48
    1. 2...cxb47
  6. 2.f48
    1. 2...Nc65
    2. 2...d52
  7. 2.b33
    1. 2...b61
    2. 2...d51
  8. 2.Na32
    1. 2...Nc61
  9. 2.c42
    1. 2...d61
  10. 2.Bc41

Codes holding Sicilian Defense lines

Volume B

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
  7. 06
  8. 07
  9. 08
  10. 09
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
CodeReference lineLinesLongest line (plies)
B20Sicilian Defense27Sicilian Defense: Wing Gambit, Romanian Defense (14)
B21Sicilian Defense: McDonnell Attack41Sicilian Defense: Smith-Morra Gambit Accepted, Chicago Defense (18)
B22Sicilian Defense: Alapin Variation15Sicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation (18)
B23Sicilian Defense: Closed14Sicilian Defense: Grand Prix Attack, Schofman Variation (11)
B24Sicilian Defense: Closed, Fianchetto Variation4Sicilian Defense: Closed, Smyslov Variation (13)
B25Sicilian Defense: Closed5Sicilian Defense: Closed, Botvinnik Defense, Edge Variation (14)
B26Sicilian Defense: Closed1Sicilian Defense: Closed (11)
B27Sicilian Defense15Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation (12)
B28Sicilian Defense: O’Kelly Variation20Sicilian Defense: O’Kelly Variation, Normal System, Taimanov Line (8)
B29Sicilian Defense: Nimzowitsch Variation5Sicilian Defense: Nimzowitsch Variation, Main Line (12)
B30Sicilian Defense: Old Sicilian9Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line (12)
B31Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation5Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit (11)
B32Sicilian Defense: Open11Sicilian Defense: Kalashnikov Variation (10)
B33Sicilian Defense: Open11Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin’s Sacrifice (21)
B34Sicilian Defense: Accelerated Dragon, Exchange Variation2Sicilian Defense: Accelerated Dragon, Exchange Variation (9)
B35Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation2Sicilian Defense: Dragon Variation, Modern Bc4 Variation (14)
B36Sicilian Defense: Accelerated Dragon, Maróczy Bind2Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation (14)
B37Sicilian Defense: Accelerated Dragon, Maróczy Bind2Sicilian Defense: Accelerated Dragon, Simagin Variation (14)
B38Sicilian Defense: Accelerated Dragon, Maróczy Bind1Sicilian Defense: Accelerated Dragon, Maróczy Bind (11)
B39Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation1Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation (14)
B40Sicilian Defense: French Variation18Sicilian Defense: Pin Variation, Jaffe Variation (12)
B41Sicilian Defense: Kan Variation5Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation (15)
B42Sicilian Defense: Kan Variation, Modern Variation4Sicilian Defense: Kan Variation, Gipslis Variation (14)
B43Sicilian Defense: Kan Variation, Knight Variation5Sicilian Defense: Kan Variation, Wing Attack, Christiansen’s Dream (15)
B44Sicilian Defense: Taimanov Variation4Sicilian Defense: Taimanov Variation, Modern Line (20)
B45Sicilian Defense: Taimanov Variation6Sicilian Defense: Four Knights Variation, American Attack (13)
B46Sicilian Defense: Taimanov Variation1Sicilian Defense: Taimanov Variation (10)
B47Sicilian Defense: Taimanov Variation, Bastrikov Variation2Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit (15)
B48Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack1Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack (11)
B49Sicilian Defense: Taimanov Variation, Bastrikov Variation1Sicilian Defense: Taimanov Variation, Bastrikov Variation (13)
B50Sicilian Defense: Modern Variations12Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit (17)
B51Sicilian Defense: Moscow Variation3Sicilian Defense: Moscow Variation, Moscow Gambit (17)
B52Sicilian Defense: Moscow Variation, Main Line3Sicilian Defense: Moscow Variation, Haag Gambit (13)
B53Sicilian Defense: Chekhover Variation2Sicilian Defense: Chekhover Variation, Zaitsev Defense (10)
B54Sicilian Defense: Dragon Variation, Accelerated Dragon4Sicilian Defense: Modern Variations, Ginsberg Gambit (9)
B55Sicilian Defense: Prins Variation, Venice Attack1Sicilian Defense: Prins Variation, Venice Attack (11)
B56Sicilian Defense: Classical Variation5Sicilian Defense: Classical Variation, Fianchetto Variation (11)
B57Sicilian Defense: Classical Variation, Sozin Attack3Sicilian Defense: Magnus Smith Trap (15)
B58Sicilian Defense: Classical Variation4Sicilian Defense: Classical Variation, Dragon Transfer (14)
B59Sicilian Defense: Boleslavsky Variation1Sicilian Defense: Boleslavsky Variation (13)
B60Sicilian Defense: Richter-Rauzer Variation3Sicilian Defense: Richter-Rauzer Variation, Dragon Variation (12)
B61Sicilian Defense: Richter-Rauzer Variation, Modern Variation1Sicilian Defense: Richter-Rauzer Variation, Modern Variation (13)
B62Sicilian Defense: Richter-Rauzer Variation5Sicilian Defense: Richter-Rauzer Variation (13)
B63Sicilian Defense: Richter-Rauzer Variation, Traditional Variation4Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line (20)
B64Sicilian Defense: Richter-Rauzer Variation, Classical Variation2Sicilian Defense: Richter-Rauzer Variation, Classical Variation (18)
B65Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack2Sicilian Defense: Richter-Rauzer Variation, Classical Variation (19)
B66Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations1Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations (14)
B67Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation1Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation (16)
B68Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation1Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation (18)
B69Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack1Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack (21)
B70Sicilian Defense: Dragon Variation3Sicilian Defense: Dragon Variation, Classical Variation (11)
B71Sicilian Defense: Dragon Variation, Levenfish Variation2Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line (12)
B72Sicilian Defense: Dragon Variation6Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation (17)
B73Sicilian Defense: Dragon Variation, Classical Variation3Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit (19)
B74Sicilian Defense: Dragon Variation, Classical Variation, Normal Line7Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack (27)
B75Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations3Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line (14)
B76Sicilian Defense: Dragon Variation, Yugoslav Attack4Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line (17)
B77Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line7Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation (22)
B78Sicilian Defense: Dragon Variation, Yugoslav Attack4Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation (23)
B79Sicilian Defense: Dragon Variation, Yugoslav Attack2Sicilian Defense: Dragon Variation, Yugoslav Attack, Soltis Variation (24)
B80Sicilian Defense: Scheveningen Variation4Sicilian Defense: Scheveningen Variation, English Attack, with Qd2 (13)
B81Sicilian Defense: Scheveningen Variation, Keres Attack1Sicilian Defense: Scheveningen Variation, Keres Attack (11)
B82Sicilian Defense: Scheveningen Variation, Matanovic Attack2Sicilian Defense: Scheveningen Variation, Tal Variation (15)
B83Sicilian Defense: Scheveningen Variation, Classical Variation4Sicilian Defense: Scheveningen Variation, Modern Variation (19)
B84Sicilian Defense: Scheveningen Variation, Classical Variation3Sicilian Defense: Najdorf Variation, Scheveningen Variation (14)
B85Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation4Sicilian Defense: Scheveningen Variation, Classical Main Line (20)
B86Sicilian Defense: Sozin Attack1Sicilian Defense: Sozin Attack (11)
B87Sicilian Defense: Sozin Attack, Flank Variation1Sicilian Defense: Sozin Attack, Flank Variation (14)
B88Sicilian Defense: Sozin Attack, Leonhardt Variation2Sicilian Defense: Sozin Attack, Fischer Variation (17)
B89Sicilian Defense: Sozin Attack, Main Line3Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation (20)
B90Sicilian Defense: Najdorf Variation15Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit (17)
B91Sicilian Defense: Najdorf Variation, Zagreb Variation1Sicilian Defense: Najdorf Variation, Zagreb Variation (11)
B92Sicilian Defense: Najdorf Variation, Opocensky Variation4Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line (16)
B93Sicilian Defense: Najdorf Variation, Amsterdam Variation1Sicilian Defense: Najdorf Variation, Amsterdam Variation (11)
B94Sicilian Defense: Najdorf Variation2Sicilian Defense: Najdorf Variation, Ivkov Variation (23)
B95Sicilian Defense: Najdorf Variation1Sicilian Defense: Najdorf Variation (12)
B96Sicilian Defense: Najdorf Variation4Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line (19)
B97Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation2Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted (18)
B98Sicilian Defense: Najdorf Variation4Sicilian Defense: Najdorf Variation, Browne Variation (18)
B99Sicilian Defense: Najdorf Variation, Main Line1Sicilian Defense: Najdorf Variation, Main Line (18)

Longest Sicilian Defense lines

  1. Sicilian Defense: Dragon Variation, Classical Variation, Stockholm Attack 27
  2. Sicilian Defense: Dragon Variation, Classical Variation, Bernard Defense 26
  3. Sicilian Defense: Dragon Variation, Yugoslav Attack, Soltis Variation 24
  4. Sicilian Defense: Dragon Variation, Classical Variation, Spielmann Variation 23
  5. Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation 23
  6. Sicilian Defense: Dragon Variation, Yugoslav Attack 23
  7. Sicilian Defense: Najdorf Variation, Ivkov Variation 23
  8. Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation 22