ECO A57 · Benko Gambit Accepted

Benko Gambit Accepted

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6

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White to move. The arrow shows Stockfish’s best move.
Best move

5. bxa6+0.66

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Benko Gambit Accepted (A57), reached after 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6, Stockfish 18 recommends 5. bxa6 for White. White is slightly better (+0.66).

Top engine moves

  1. +0.665. bxa6 e6 6. Nc3 exd5 7. Nxd5 Be7 8. Nxe7 Qxe7 9. e3 O-O
  2. +0.595. e3 e6 6. dxe6 fxe6 7. Nf3 d5 8. Nc3 c4 9. Be2 axb5
  3. +0.465. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. Nf3 Bg7 9. Nd2 O-O

All Benko Gambit Accepted variations (8)

Frequently asked questions

What is the best move in the Benko Gambit Accepted?
After 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6, Stockfish 18 at depth 18 recommends 5. bxa6 for White, continuing e6 6. Nc3 exd5 7. Nxd5 Be7 8. Nxe7 Qxe7 9. e3 O-O. White is slightly better (+0.66). The next best moves are 5. e3 (+0.59) and 5. b6 (+0.46).
Is the Benko Gambit Accepted a good opening?
Stockfish rates the position at +0.66: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Benko Gambit Accepted?
A57. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).