ecocodes
Volume A · Flank openings‹ A57A59 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

A58 Benko Gambit Accepted: Fully Accepted Variation

A58 holds five named lines, all under the name Benko Gambit. It leaves A57 (Benko Gambit Accepted) with 5.bxa6. When the reference line ends, White is two pawns up on material. That final move, by the b-pawn, covers b7.

Score sheet
#WhiteBlack
1d4Nf6
2c4c5
3d5b5
4cxb5a6
5bxa6

Lines filed under A58

All five share their first nine plies, the whole reference line and then split two ways at Black’s move 5.

NameAfter the shared startPliesAt the end
Benko Gambit Accepted: Fully Accepted Variation(the shared start itself)9White +2
Benko Gambit Accepted: Central Storming Variation5...g6 6.Nc3 Bxa6 7.f413White +1
Benko Gambit: Fianchetto Variation5...Bxa6 6.Nc3 d6 7.Nf3 g6 8.g315White +1
Benko Gambit: Nd2 Variation5...Bxa6 6.Nc3 d6 7.Nf3 g6 8.Nd215White +1
Benko Gambit Accepted: Fianchetto Variation5...g6 6.Nc3 Bxa6 7.g3 d6 8.Bg2 Bg7 9.Nf317White +1

The road to A58

  1. 1.d4 … 3.d5four earlier stops: A40, A45, A50, A56
  2. 3...b5A57 Benko Gambit
  3. 4...a6A57 Benko Gambit Accepted
  4. 5.bxa6A58

The position after 5.bxa6

Black has brought out the knight on f6; White has not yet moved a knight or bishop. White has a half-open c-file; Black a half-open a-file, b-file. Black could capture with Bxa6, Nxa6, Nxd5, Rxa6. Undefended and attacked: the pawn on a6. Black is to move and has 23 legal moves.

WhiteBlackMaterial (pawn units)3937Minor pieces developed01Moves spent on pawns53Pawns on d4, e4, d5, e510Squares attacked in the other half64Doubled pawns10not castlednot castled

Codes that branch off from A58

The reference lines of one other code leave A58 from the position after 5.bxa6, each with its own moves.

CodeMovesReference line
A595...Bxa6 6.Nc3 d6 7.e4Benko Gambit Accepted: Yugoslav

Closest boards in other codes

CodeLineDiffers on
A56Benoni Defensesix squares: c4, d4, d5, a6, a7, b7
A60Benoni Defense: Modern Variationsix squares: c4, a6, e6, a7, b7, e7
A15English Opening: Anglo-Indian Defenseeight squares: d2, c4, c5, d5, a6, a7, b7, c7
A30English Opening: Symmetrical Variationeight squares: d2, c4, d5, a6, f6, a7, b7, g8
A31English Opening: Symmetrical Variation, Anti-Benoni Variationeight squares: g1, f3, c4, d4, d5, a6, a7, b7
A43Benoni Defense: Old Benonieight squares: c2, d4, d5, a6, f6, a7, b7, g8
A44Benoni Defense: Old Benonieight squares: c2, e5, a6, f6, a7, b7, e7, g8

Where lines continue from here

Four named lines filed under other codes pass through the position after 5.bxa6. All of them belong to the codes listed above.

Volume A

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
  7. 06
  8. 07
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  44. 43
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  51. 50
  52. 51
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  55. 54
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  57. 56
  58. 57
  59. 58
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  64. 63
  65. 64
  66. 65
  67. 66
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  70. 69
  71. 70
  72. 71
  73. 72
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  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99

Open this line in the finderAll Benko Gambit codes