ECO C34 · King's Gambit Accepted

King's Gambit Accepted: Bonsch-Osmolovsky Variation

1. e4 e5 2. f4 exf4 3. Nf3 Ne7

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

4. d4−0.01

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Bonsch-Osmolovsky Variation (C34), reached after 1. e4 e5 2. f4 exf4 3. Nf3 Ne7, Stockfish 18 recommends 4. d4 for White. The position is roughly equal (−0.01).

Top engine moves

  1. −0.014. d4 d5 5. Nc3 dxe4 6. Nxe4 Nd5 7. Bb5+ c6 8. Bd3 Be7
  2. −0.014. Nc3 d5 5. d4 dxe4 6. Nxe4 Ng6 7. h4 Qe7 8. Qe2 h5
  3. −0.224. Qe2 g6 5. Nc3 Bh6 6. Nd5 Nxd5 7. exd5+ Kf8

Frequently asked questions

What is the best move in the King's Gambit Accepted: Bonsch-Osmolovsky Variation?
After 1. e4 e5 2. f4 exf4 3. Nf3 Ne7, Stockfish 18 at depth 18 recommends 4. d4 for White, continuing d5 5. Nc3 dxe4 6. Nxe4 Nd5 7. Bb5+ c6 8. Bd3 Be7. The position is roughly equal (−0.01). The next best moves are 4. Nc3 (−0.01) and 4. Qe2 (−0.22).
Is the King's Gambit Accepted: Bonsch-Osmolovsky Variation a good opening?
Stockfish rates the position at −0.01: the position is roughly equal. 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 King's Gambit Accepted: Bonsch-Osmolovsky Variation?
C34. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

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