ECO A59 · Benko Gambit Accepted

Benko Gambit Accepted: King Walk Variation

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2

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

11… Na6+0.80

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Benko Gambit Accepted: King Walk Variation (A59), reached after 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2, Stockfish 18 recommends 11… Na6 for Black. White is clearly better (+0.80).

Top engine moves

  1. +0.8011… Na6 12. a4 Qc8 13. Bf4 Rb8 14. Qe2 Rb3 15. Ra2 Qb7 16. Rc1
  2. +0.8111… Qc8 12. a4 Na6 13. Bf4 Rb8 14. Qe2 Rb3 15. Ra2 Qb7 16. a5
  3. +0.8611… Qd7 12. a4 Na6 13. Nd2 Rfb8 14. Nc4 Rb4 15. Qe2 Qb7 16. a5

Frequently asked questions

What is the best move in the Benko Gambit Accepted: King Walk Variation?
After 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2, Stockfish 18 at depth 18 recommends 11… Na6 for Black, continuing 12. a4 Qc8 13. Bf4 Rb8 14. Qe2 Rb3 15. Ra2 Qb7 16. Rc1. White is clearly better (+0.80). The next best moves are 11… Qc8 (+0.81) and 11… Qd7 (+0.86).
Is the Benko Gambit Accepted: King Walk Variation a good opening?
Stockfish rates the position at +0.80: white is clearly 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: King Walk Variation?
A59. 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+).