ecocodes
a1b2c3d4e5f6g7h8
After 1...d6 · White to move

Pirc Defense

The list files 28 lines under the name Pirc Defense, spread over four codes (B00, B07–B09). B07 alone holds 9 of them. From the starting position of Pirc Defense, the most-travelled continuation is 2.d4, with 27 lines. The deepest, Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation, runs to 7.h4.

Score sheet
#WhiteBlack
1e4d6

Where the lines split

Twenty-seven of the 28 lines continue from 1...d6; the bars show how many take each next move, and the indented rows the most common reply.

  1. 2.d427
    1. 2...Nf626

Codes holding Pirc 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)
B00King’s Pawn Game4Pirc Defense: Roscher Gambit (5)
B07King’s Pawn Game: Maróczy Defense9Pirc Defense: 150 Attack, Inner Doll Defense (10)
B08Pirc Defense: Classical Variation7Pirc Defense: Classical Variation, Quiet System, Chigorin Line (12)
B09Pirc Defense: Austrian Attack8Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation (13)

Longest Pirc Defense lines

  1. Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation 13
  2. Pirc Defense: Classical Variation, Quiet System, Chigorin Line 12
  3. Pirc Defense: Classical Variation, Quiet System, Czech Defense 12
  4. Pirc Defense: Classical Variation, Quiet System, Parma Defense 12
  5. Pirc Defense: Austrian Attack, Kurajica Variation 11
  6. Pirc Defense: Austrian Attack, Unzicker Attack 11
  7. Pirc Defense: Austrian Attack, Weiss Variation 11
  8. Pirc Defense: 150 Attack, Inner Doll Defense 10