ecocodes
a1b2c3d4e5f6g7h8
After 1.b4 · Black to move

Polish Opening

The list files 27 lines under the name Polish Opening, spread over two codes (A00, A05). A00 alone holds 26 of them. From the starting position of Polish Opening, the most-travelled continuation is 1...e5, with 5 lines. The deepest, Polish Opening: King’s Indian Variation, Sokolsky Attack, runs to 6.d4. At the end of one line one side is ahead on material; five names contain the word Gambit.

Score sheet
#WhiteBlack
1b4

Where the lines split

Twenty-five of the 27 lines continue from 1.b4; the bars show how many take each next move, and the indented rows the most common reply. The other one reach the opening by a different move order.

  1. 1...d55
    1. 2.Bb24
  2. 1...e55
    1. 2.Bb24
    2. 2.a31
  3. 1...e64
    1. 2.Bb24
  4. 1...Nf63
    1. 2.Bb23
  5. 1...c63
    1. 2.Bb22
  6. 1...Nc61
  7. 1...Nh61
  8. 1...b51
  9. 1...c51
  10. 1...f51

Codes holding Polish Opening lines

Volume A

  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)
A00Van Geet Opening26Polish Opening: King’s Indian Variation, Sokolsky Attack (11)
A05Zukertort Opening1Polish Opening: Zukertort System (5)

Longest Polish Opening lines

  1. Polish Opening: King’s Indian Variation, Sokolsky Attack 11
  2. Polish Opening: Rooks Swap Line 11
  3. Polish Opening: Schiffler-Sokolsky Variation 7
  4. Polish Opening: Schuehler Gambit 7
  5. Polish Opening: Queen’s Indian Variation 6
  6. Polish Opening: Queenside Defense 6
  7. Polish Opening, with d5 5
  8. Polish Opening: Bugayev Advance Variation 5