ECO C24 · Bishop's Opening

Bishop's Opening: Krejcik Gambit

1. e4 e5 2. Bc4 Nf6 3. f3 Bc5 4. Ne2 Nc6 5. b4

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

5… Bxb4−1.44

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Bishop's Opening: Krejcik Gambit (C24), reached after 1. e4 e5 2. Bc4 Nf6 3. f3 Bc5 4. Ne2 Nc6 5. b4, Stockfish 18 recommends 5… Bxb4 for Black. Black is clearly better (−1.44).

Top engine moves

  1. −1.445… Bxb4 6. Nbc3 Bc5 7. Na4 Be7 8. Nac3 Na5 9. Bb3 O-O 10. d4
  2. −1.235… Bb6 6. Nbc3 Nxb4 7. Na4 d5 8. Nxb6 axb6 9. exd5 O-O 10. O-O
  3. −0.975… Nxb4 6. c3 Nc6 7. d4 Be7 8. O-O O-O 9. Bb3 d5 10. exd5

Frequently asked questions

What is the best move in the Bishop's Opening: Krejcik Gambit?
After 1. e4 e5 2. Bc4 Nf6 3. f3 Bc5 4. Ne2 Nc6 5. b4, Stockfish 18 at depth 18 recommends 5… Bxb4 for Black, continuing 6. Nbc3 Bc5 7. Na4 Be7 8. Nac3 Na5 9. Bb3 O-O 10. d4. Black is clearly better (−1.44). The next best moves are 5… Bb6 (−1.23) and 5… Nxb4 (−0.97).
Is the Bishop's Opening: Krejcik Gambit a good opening?
Stockfish rates the position at −1.44: black 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 Bishop's Opening: Krejcik Gambit?
C24. 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+).