ECO C42 · Petrov's Defense

Petrov's Defense: Cochrane Gambit, Bishop Check Line

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+

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

5… d5−1.24

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Petrov's Defense: Cochrane Gambit, Bishop Check Line (C42), reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+, Stockfish 18 recommends 5… d5 for Black. Black is clearly better (−1.24).

Top engine moves

  1. −1.245… d5 6. exd5 Bd6 7. O-O Re8 8. d4 Kg8 9. Bg5 Bf5 10. Bb3
  2. −0.565… Be6 6. Bxe6+ Kxe6 7. d4 Kf7 8. Nc3 c5 9. d5 Qe8 10. O-O
  3. −0.435… Ke8 6. d4 c5 7. c3 Nc6 8. O-O Be7 9. Na3 a6 10. Re1

Frequently asked questions

What is the best move in the Petrov's Defense: Cochrane Gambit, Bishop Check Line?
After 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+, Stockfish 18 at depth 18 recommends 5… d5 for Black, continuing 6. exd5 Bd6 7. O-O Re8 8. d4 Kg8 9. Bg5 Bf5 10. Bb3. Black is clearly better (−1.24). The next best moves are 5… Be6 (−0.56) and 5… Ke8 (−0.43).
Is the Petrov's Defense: Cochrane Gambit, Bishop Check Line a good opening?
Stockfish rates the position at −1.24: Black is clearly better. That is a large edge for an opening position, so check the engine lines before playing it from the other side.
What is the ECO code of the Petrov's Defense: Cochrane Gambit, Bishop Check Line?
C42. 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+).