ecocodes
Volume A · Flank openings‹ A79A81 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

A80 Dutch Defense

Also filed here: Queen’s Pawn Game.

A80 holds 19 named lines from two openings, most of them (18) under Dutch Defense. It leaves A40 (Queen’s Pawn Game) with 1...f5. Lines of 19 other codes continue from its position, the widest spread of the 20 Dutch Defense codes. With 19 named lines it is the largest code of the 20 Dutch Defense codes. At two plies, its reference line is the shortest of the 20 Dutch Defense codes.

Score sheet
#WhiteBlack
1d4f5

The move that completes A80

The reference line of A81 plays all of these moves and continues beyond them; A80 is the position reached at 1...f5.

  1. 1...f5 The f-pawn advances two squares to f5, covering e4 and g4.

Lines filed under A80

All 19 share their first two plies, the whole reference line and then split seven ways at White’s move 2.

NameAfter the shared startPliesAt the end
Dutch Defense(the shared start itself)2
Dutch Defense: Alapin Variation2.Qd33
Dutch Defense: Hopton Attack2.Bg53
Dutch Defense: Korchnoi Attack2.h33
Dutch Defense: Krejcik Gambit2.g43
Dutch Defense: Raphael Variation2.Nc33
Dutch Defense: Hevendehl Gambit2.g4 e54
Dutch Defense: Omega-Isis Gambit2.Nf3 e54
Queen’s Pawn Game: Veresov Attack, Dutch System2.Nc3 d54
Dutch Defense: Barcza Variation2.Nf3 Nf6 3.c35
Dutch Defense: Janzen-Korchnoi Gambit2.h3 Nf6 3.g45
Dutch Defense: Kingfisher Gambit2.Nc3 d5 3.e45
Dutch Defense: Manhattan Gambit, Anti-Classical Line2.Qd3 e6 3.g45
Dutch Defense: Manhattan Gambit, Anti-Leningrad2.Qd3 g6 3.g45
Dutch Defense: Manhattan Gambit, Anti-Modern2.Qd3 d6 3.g45
Dutch Defense: Manhattan Gambit, Anti-Stonewall2.Qd3 d5 3.g45
Dutch Defense: Senechaud Gambit2.Bf4 e6 3.g45
Dutch Defense: Spielmann Gambit2.Nc3 Nf6 3.g45
Dutch Defense: Krejcik Gambit, Tate Gambit2.g4 fxg4 3.e4 d5 4.Nc37Black +1

The road to A80

  1. 1.d4A40 Queen’s Pawn Game
  2. 1...f5A80

The position after 1...f5

White is to move and has 28 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed00Moves spent on pawns11Pawns on d4, e4, d5, e510Squares attacked in the other half42not castlednot castled

Codes that branch off from A80

The reference lines of three other codes leave A80 from the position after 1...f5, each with its own moves.

CodeMovesReference line
A812.g3Dutch Defense: Fianchetto Attack
A822.e4Dutch Defense: Staunton Gambit
A842.c4Dutch Defense

Closest boards in other codes

CodeLineDiffers on
A41Queen’s Pawn Gamefour squares: f5, d6, d7, f7
A43Benoni Defense: Old Benonifour squares: c5, f5, c7, f7
A45Indian Defensefour squares: f5, f6, f7, g8
D00Queen’s Pawn Gamefour squares: d5, f5, d7, f7
D20Queen’s Gambit Acceptedfive squares: c2, c4, f5, d7, f7
A00Van Geet Openingsix squares: b1, d2, c3, d4, f5, f7
A01Nimzo-Larsen Attacksix squares: b2, d2, b3, d4, f5, f7

Where lines continue from here

Besides the codes above, they belong to A83, A85, A86, A87, A88, A89, A90, A91, A92, A93, A94, A95, A96, A97, A98, A99.

Volume A

  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 Dutch Defense codes