ecocodes
Volume E · Indian defenses‹ E66E68 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

E67 King’s Indian Defense: Fianchetto Variation, Debrecen Defense

E67 holds two named lines, all under the name King’s Indian Defense. It leaves E60 (King’s Indian Defense: Fianchetto Variation, Immediate Fianchetto) with 3...Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7. Lines filed under E64 and E68 reach one of its named positions by a different move order. That final move, by the knight, opens a line for the rook on a8.

Score sheet
#WhiteBlack
1d4Nf6
2c4g6
3g3Bg7
4Bg2O-O
5Nc3d6
6Nf3Nbd7

Moves only E67 plays

Same as D71 up to 4.Bg2, then:

  1. 4...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  2. 5.Nc3 The knight leaves b1 for c3, opening a line for the rook on a1.
  3. 5...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the bishop on c8 and the queen on d8.
  4. 6.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
  5. 6...Nbd7 The knight leaves b8 for d7, opening a line for the rook on a8.

Lines filed under E67

Both share the start 1.d4 Nf6 2.c4 g6 and then split two ways at White’s move 3.

NameAfter the shared startPliesAt the end
King’s Indian Defense: Fianchetto Variation, Debrecen Defense3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd712Black castled
King’s Indian Defense: Fianchetto Variation, Classical Fianchetto3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nbd7 7.Nc3 e514both castled

King’s Indian Defense: Fianchetto Variation, Classical Fianchetto

  1. 3.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.
  2. 3...Bg7 The bishop leaves f8 for g7, opening a line for the rook on h8, guarding the rook on h8.
  3. 4.g3 The g-pawn advances to g3, covering f4 and h4, opening a line for the bishop on f1.
  4. 4...O-O Black castles kingside, opening a line for the queen on d8, guarding the bishop on g7.
  5. 5.Bg2 The bishop leaves f1 for g2, opening a line for the rook on h1, guarding the rook on h1.

The road to E67

  1. 1.d4 … 2.c4three earlier stops: A40, A45, A50
  2. 2...g6E60 West Indian Defense
  3. 3.g3E60 Immediate Fianchetto
  4. 6...Nbd7E67

The position after 6...Nbd7

White has brought out the knight on c3, knight on f3 and bishop on g2; Black the knight on d7, knight on f6 and bishop on g7. White is to move and has 39 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed33Moves spent on pawns32Pawns on d4, e4, d5, e510Squares attacked in the other half62not castledcastled kingside, move 4

Codes that branch off from E67

The reference lines of one other code leave E67 from the position after 7...e5, each with its own moves.

CodeMovesReference line
E688.e4King’s Indian Defense: Fianchetto Variation, Classical Variation

Closest boards in other codes

CodeLineDiffers on
E91King’s Indian Defense: Orthodox Variationsix squares: e2, g2, g3, e4, d7, b8
A62Benoni Defense: Fianchetto Variationeight squares: c4, d4, c5, d5, c7, d7, e7, b8
A89Dutch Defense: Leningrad Variation, Matulovic Variationeight squares: e1, f1, g1, h1, f5, c6, d7, f7
E62King’s Indian Defense: Fianchetto Variation, Delayed Fianchettoeight squares: f1, g2, d7, b8, e8, f8, g8, h8
E63King’s Indian Defense: Fianchetto Variation, Panno Variationeight squares: e1, f1, g1, h1, a6, c6, a7, d7
E65King’s Indian Defense: Fianchetto Variation, Yugoslav Variationeight squares: e1, f1, g1, h1, c5, c7, d7, b8
E92King’s Indian Defense: Orthodox Variationeight squares: e2, g2, g3, e4, e5, d7, e7, b8

Where lines continue from here

One named line filed under other codes passes through the position after 6...Nbd7. It belongs to the code listed above.

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

Other move orders

  • King’s Indian Defense: Fianchetto Variation, Classical Fianchetto is also reached inside E64 King’s Indian Defense: Fianchetto Variation, Double Fianchetto Attack, whose order is 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 d6 5.Bg2 O-O 6.O-O Nbd7 7.Nc3 e5.
  • King’s Indian Defense: Fianchetto Variation, Classical Fianchetto is also reached inside E68 King’s Indian Defense: Fianchetto Variation, Long Variation, whose order is 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5.
  • King’s Indian Defense: Fianchetto Variation, Debrecen Defense is also reached inside E68 King’s Indian Defense: Fianchetto Variation, Long Variation, whose order is 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7.

Open this line in the finderAll King’s Indian Defense codes