ecocodes
Volume D · Closed and semi-closed games‹ D72D74 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

D73 Neo-Grünfeld Defense: with g3

D73 holds a single named line. It leaves E60 (Grünfeld Defense: Counterthrust Variation) with 5.Nf3. At nine plies, its reference line is the second-shortest of the 10 Neo-Grünfeld Defense codes. Black, to move in that position, has 34 legal moves, the fourth-highest count of the 10 Neo-Grünfeld Defense codes.

Score sheet
#WhiteBlack
1d4Nf6
2c4g6
3g3d5
4Bg2Bg7
5Nf3

Moves only D73 plays

Same as D72 up to 4...Bg7, then:

  1. 5.Nf3 The knight leaves g1 for f3, opening a line for the rook on h1.

The road to D73

One of the seven named positions on the way are reached by a move order other than their own.

  1. 1.d4 … 3.g3five earlier stops: A40, A45, A50, E60
  2. 3...d5D70 with g3
  3. 4...Bg7E60 Counterthrust Variation by another order
  4. 5.Nf3D73

The position after 5.Nf3

White has brought out the knight on f3 and bishop on g2; Black the knight on f6 and bishop on g7. Black could capture with dxc4. Undefended and attacked: the pawn on c4.

WhiteBlackMaterial (pawn units)3939Minor pieces developed22Moves spent on pawns32Pawns on d4, e4, d5, e511Squares attacked in the other half64not castlednot castled

Closest boards in other codes

CodeLineDiffers on
A87Dutch Defense: Leningrad Variationfour squares: d5, f5, d7, f7
E06Catalan Opening: Closedfour squares: e6, g6, e7, g7
D71Neo-Grünfeld Defense: Exchange Variationfive squares: g1, f3, c4, d5, f6
E05Catalan Opening: Open Defense, Classical Linesix squares: c4, d5, e6, g6, e7, g7
E62King’s Indian Defense: Fianchetto Variation, Delayed Fianchettosix squares: b1, f1, g2, c3, d5, d6
E64King’s Indian Defense: Fianchetto Variation, Pterodactyl Variationsix squares: a5, c5, d5, c7, d7, d8
D90Grünfeld Defense: Three Knights Variationseven squares: b1, f1, g2, c3, g3, g7, f8

Where lines continue from here

Five named lines filed under other codes pass through the position after 5.Nf3. They belong to D79.

Volume D

  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

Open this line in the finderAll Neo-Grünfeld Defense codes