ecocodes
Volume D · Closed and semi-closed games‹ D66D68 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

D67 Queen’s Gambit Declined: Orthodox Defense, Capablanca System

D67 holds five named lines, all under the name Queen’s Gambit. It leaves D66 (Queen’s Gambit Declined: Orthodox Defense, Bd3 Line) with 8...dxc4 9.Bxc4 Nd5. White, to move in that position, has 46 legal moves, the most of the 44 Queen’s Gambit codes. White has four minor pieces off their first squares, level for the most of the 44 Queen’s Gambit codes. At 18 plies, its reference line is the fourth-longest of the 44 Queen’s Gambit codes.

Score sheet
#WhiteBlack
1d4d5
2c4e6
3Nc3Nf6
4Bg5Be7
5e3O-O
6Nf3Nbd7
7Rc1c6
8Bd3dxc4
9Bxc4Nd5

The move that completes D67

The reference line of D68 plays all of these moves and continues beyond them; D67 is the position reached at 9...Nd5.

  1. 9...Nd5 The knight goes from f6 to d5, opening a line for the bishop on e7, attacking the knight on c3.

Lines filed under D67

All five share the start 1.d4 d5 and then split two ways at White’s move 2.

NameAfter the shared startPliesAt the end
Queen’s Gambit Declined: Orthodox Defense, Capablanca System2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd518Black castled
Queen’s Gambit Declined: Orthodox Defense, Janowski Variation2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.h419Black castled
Queen’s Gambit Declined: Orthodox Defense, Bd3 Line2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe720Black castled
Queen’s Gambit Declined: Orthodox Defense, Alekhine Variation2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.Ne421Black castled
Queen’s Gambit Declined: Orthodox Defense, Main Line2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O21both castled

The road to D67

Four of the 13 named positions on the way are reached by a move order other than their own.

  1. 1.d4 … 7.Rc111 earlier stops: A40, D00, D06, D30, D31, D35, D50, D53, D55, D60, D63
  2. 7...c6D63 Main Line by another order
  3. 8.Bd3D66 Bd3 Line
  4. 9...Nd5D67

The position after 9...Nd5

White has brought out the knight on c3, knight on f3, bishop on c4 and bishop on g5; Black the knight on d5, knight on d7 and bishop on e7. White has a half-open c-file; Black a half-open d-file. White could capture with Bxd5, Bxe7, Nxd5.

WhiteBlackMaterial (pawn units)3838Minor pieces developed43Moves spent on pawns34Pawns on d4, e4, d5, e510Squares attacked in the other half95not castledcastled kingside, move 5

Codes that branch off from D67

The reference lines of one other code leave D67 from the position after 11.O-O, each with its own moves.

CodeMovesReference line
D6811...Nxc3 12.Rxc3 e5Queen’s Gambit Declined: Orthodox Defense, Classical Variation

Closest boards in other codes

CodeLineDiffers on
D63Queen’s Gambit Declined: Orthodox Defense, Main Linesix squares: f1, c4, d5, c6, f6, c7
D64Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attacksix squares: d1, f1, c2, c4, d5, f6
D60Queen’s Gambit Declined: Orthodox Defenseeight squares: a1, c1, f1, c4, d5, c6, f6, c7
D65Queen’s Gambit Declined: Orthodox Defense, Rubinstein Attackeight squares: d1, f1, c2, c4, d5, a6, f6, a7
D47Semi-Slav Defense: Semi-Meran Variationten squares: a1, c1, d5, g5, f6, e7, e8, f8 …
D54Queen’s Gambit Declined: Neo-Orthodox Variationten squares: f1, g1, f3, c4, d5, c6, f6, c7 …
D55Queen’s Gambit Declined: Modern Variation, Normal Lineten squares: a1, c1, f1, c4, d5, c6, f6, c7 …

Where lines continue from here

Four named lines filed under other codes pass through the position after 9...Nd5. Besides the codes above, they belong to D69.

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

Other move orders

  • Queen’s Gambit Declined: Orthodox Defense, Bd3 Line is also reached inside D68 Queen’s Gambit Declined: Orthodox Defense, Classical Variation, whose order is 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7.
  • Queen’s Gambit Declined: Orthodox Defense, Capablanca System is also reached inside D68 Queen’s Gambit Declined: Orthodox Defense, Classical Variation, whose order is 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5.
  • Queen’s Gambit Declined: Orthodox Defense, Main Line is also reached inside D68 Queen’s Gambit Declined: Orthodox Defense, Classical Variation, whose order is 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O.

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