ecocodes
Volume D · Closed and semi-closed games‹ D34D36 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

D35 Queen’s Gambit Declined: Normal Defense

D35 holds 13 named lines, all under the name Queen’s Gambit. It leaves D31 (Queen’s Gambit Declined: Queen’s Knight Variation) with 3...Nf6. Lines of 18 other codes continue from its position, the fifth-widest spread of the 44 Queen’s Gambit codes. Queenside castling appears once among its lines, in Queen’s Gambit Declined: Exchange Variation, Chameleon Variation. Lines filed under D36 reach one of its named positions by a different move order.

Score sheet
#WhiteBlack
1d4d5
2c4e6
3Nc3Nf6

The move that completes D35

The reference line of D50 plays all of these moves and continues beyond them; D35 is the position reached at 3...Nf6.

  1. 3...Nf6 The knight leaves g8 for f6, opening a line for the rook on h8.

Lines filed under D35

All 13 share the start 1.d4 and then split two ways at Black’s move 1.

NameAfter the shared startPliesAt the end
Queen’s Gambit Declined: Normal Defense1...d5 2.c4 e6 3.Nc3 Nf66
Queen’s Gambit Declined: Exchange Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd57White +1
Queen’s Gambit Declined: Harrwitz Attack1...d5 2.c4 e6 3.Nc3 Nf6 4.Bf47
Queen’s Gambit Declined: Exchange Variation, Positional Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg59
Queen’s Gambit Declined: Exchange Variation, Positional Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 c610
Queen’s Gambit Declined: Exchange Variation, Sämisch Variation1...Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7 5.cxd5 exd5 6.Bf411
Queen’s Gambit Declined: Exchange Variation1...Nf6 2.c4 e6 3.Nf3 d5 4.e3 b6 5.Nc3 Bd6 6.cxd5 exd512
Queen’s Gambit Declined: Exchange Variation, Positional Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 c6 6.e3 Be712
Queen’s Gambit Declined: Exchange Variation1...d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Nc6 5.cxd5 exd5 6.Bg5 Be7 7.e313
Queen’s Gambit Declined: Exchange Variation1...d5 2.c4 e6 3.Nc3 Nf6 4.e3 Be7 5.cxd5 exd5 6.Bd3 O-O 7.Nf3 c614Black castled
Queen’s Gambit Declined: Exchange Variation, Carlsen Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 h6 7.Bh4 Bg414
Queen’s Gambit Declined: Exchange Variation, Positional Variation1...Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7 5.cxd5 exd5 6.Bg5 c6 7.e3 Be714
Queen’s Gambit Declined: Exchange Variation, Chameleon Variation1...Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Bd3 Nbd7 8.Qc2 Re8 9.Nge2 Nf8 10.O-O-O19both castled

The road to D35

  1. 1.d4 … 2.c4three earlier stops: A40, D00, D06
  2. 2...e6D30 Queen’s Gambit Declined
  3. 3.Nc3D31 Queen’s Knight Variation
  4. 3...Nf6D35

The position after 3...Nf6

White has brought out the knight on c3; Black the knight on f6. White could capture with Nxd5, cxd5. White is to move and has 33 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed11Moves spent on pawns22Pawns on d4, e4, d5, e511Squares attacked in the other half65not castlednot castled

Codes that branch off from D35

The reference lines of two other codes leave D35 from two of its named positions; “From” gives the last part of that position’s name.

CodeFromMovesReference line
D36Positional Variation6.Qc2Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation
D50Normal Defense4.Bg5Queen’s Gambit Declined: Modern Variation

Closest boards in other codes

CodeLineDiffers on
B14Caro-Kann Defense: Panov Attacktwo squares: e2, c7
D37Queen’s Gambit Declined: Three Knights Variationtwo squares: g1, f3
A17English Opening: Anglo-Indian Defense, Hedgehog Systemfour squares: d2, d4, d5, d7
C11French Defense: Classical Variationfour squares: c2, e2, c4, e4
D30Queen’s Gambit Declinedfour squares: b1, c3, f6, g8
D32Tarrasch Defensefour squares: c5, f6, c7, g8
D38Queen’s Gambit Declined: Ragozin Defensefour squares: g1, f3, b4, f8

Where lines continue from here

Besides the codes above, they belong to D37, D40, D41, D51, D52, D53, D54, D56, D57, D61, D63, D64, D66, D67, D68, 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: Exchange Variation is also reached inside D36 Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation, whose order is 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5.
  • Queen’s Gambit Declined: Exchange Variation, Positional Variation is also reached inside D36 Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation, whose order is 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5.
  • Queen’s Gambit Declined: Exchange Variation, Positional Variation is also reached inside D36 Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation, whose order is 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6.
  • Queen’s Gambit Declined: Exchange Variation, Positional Variation is also reached inside D36 Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation, whose order is 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 Be7.

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