ECO A57 · Benko Gambit Declined

Benko Gambit Declined: Quiet Line

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2

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

4… d6+0.48

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Benko Gambit Declined: Quiet Line (A57), reached after 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2, Stockfish 18 recommends 4… d6 for Black. White is slightly better (+0.48).

Top engine moves

  1. +0.484… d6 5. e4 bxc4 6. Bxc4 g6 7. b3 Bg7 8. Bb2 O-O 9. Ngf3
  2. +0.484… g6 5. e4 bxc4 6. Bxc4 d6 7. b3 Bg7 8. Bb2 O-O 9. Ngf3
  3. +0.504… bxc4 5. e4 g6 6. Bxc4 d6 7. b3 Bg7 8. Bb2 O-O 9. Ngf3

Frequently asked questions

What is the best move in the Benko Gambit Declined: Quiet Line?
After 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2, Stockfish 18 at depth 18 recommends 4… d6 for Black, continuing 5. e4 bxc4 6. Bxc4 g6 7. b3 Bg7 8. Bb2 O-O 9. Ngf3. White is slightly better (+0.48). The next best moves are 4… g6 (+0.48) and 4… bxc4 (+0.50).
Is the Benko Gambit Declined: Quiet Line a good opening?
Stockfish rates the position at +0.48: 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 Declined: Quiet Line?
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+).