ecocodes
a1b2c3d4e5f6g7h8
After 3.g3 · Black to move

Catalan Opening

The list files 32 lines under the name Catalan Opening, spread over ten codes (E00–E09). E08 alone holds 7 of them. From the starting position of Catalan Opening, the most-travelled continuation is 3...d5, with 19 lines. The deepest, Catalan Opening: Closed, Main Line, runs to 12.Qxe4. At the end of six lines one side is ahead on material; two names contain the word Gambit.

Score sheet
#WhiteBlack
1d4Nf6
2c4e6
3g3

Where the lines split

Twenty-one of the 32 lines continue from 3.g3; the bars show how many take each next move, and the indented rows the most common reply. The other ten reach the opening by a different move order.

  1. 3...d519
    1. 4.Bg218
  2. 3...Be71
    1. 4.Bg21
  3. 3...e51

Codes holding Catalan Opening lines

Volume E

  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)
E00Catalan Opening3Catalan Opening (6)
E01Catalan Opening: Open Defense2Catalan Opening: Tarrasch Defense (10)
E02Catalan Opening: Open Defense1Catalan Opening: Open Defense (8)
E03Catalan Opening: Open Defense2Catalan Opening: Open Defense, Alekhine Variation (13)
E04Catalan Opening: Open Defense3Catalan Opening: Open Defense, Modern Sharp Variation (12)
E05Catalan Opening: Open Defense, Classical Line2Catalan Opening: Open Defense, Classical Line (12)
E06Catalan Opening: Closed4Catalan Opening: Closed (18)
E07Catalan Opening: Closed2Catalan Opening: Closed, Botvinnik Variation (15)
E08Catalan Opening: Closed7Catalan Opening: Closed, Spassky Gambit (20)
E09Catalan Opening: Closed, Main Line6Catalan Opening: Closed, Main Line (23)

Longest Catalan Opening lines

  1. Catalan Opening: Closed, Main Line 23
  2. Catalan Opening: Closed, Spassky Gambit 20
  3. Catalan Opening: Closed, Sokolsky Variation 20
  4. Catalan Opening: Closed 19
  5. Catalan Opening: Closed 18
  6. Catalan Opening: Closed, Main Line 18
  7. Catalan Opening: Closed 17
  8. Catalan Opening: Closed, Zagoryansky Variation 17