ECO C42 · Petrov's Defense

Petrov's Defense: French Attack

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3

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

5… Nf6+0.29

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

Analyze this position

In the Petrov's Defense: French Attack (C42), reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3, Stockfish 18 recommends 5… Nf6 for Black. The position is roughly equal (+0.29).

Top engine moves

  1. +0.295… Nf6 6. d4 Be7 7. Bd3 O-O 8. O-O Bg4 9. h3 Bh5 10. Re1
  2. +0.825… Nc5 6. d4 Nca6 7. c3 Be7 8. Bd3 c6 9. O-O O-O 10. Re1
  3. +3.065… Nxf2 6. Qe2+ Be7 7. Qxf2 d5 8. d4 Bf5 9. Bb5+ c6 10. Bd3

Frequently asked questions

What is the best move in the Petrov's Defense: French Attack?
After 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3, Stockfish 18 at depth 18 recommends 5… Nf6 for Black, continuing 6. d4 Be7 7. Bd3 O-O 8. O-O Bg4 9. h3 Bh5 10. Re1. The position is roughly equal (+0.29). The next best moves are 5… Nc5 (+0.82) and 5… Nxf2 (+3.06).
Is the Petrov's Defense: French Attack a good opening?
Stockfish rates the position at +0.29: 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 Petrov's Defense: French Attack?
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+).