Petrov's Defense: Classical Attack, Marshall Variation
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6
7. O-O+0.37
White is slightly better. Stockfish 18, depth 18.
Analyze this positionIn the Petrov's Defense: Classical Attack, Marshall Variation (C42), reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6, Stockfish 18 recommends 7. O-O for White. White is slightly better (+0.37).
Top engine moves
- +0.377. O-O O-O 8. c4 c6 9. Re1 Bf5 10. Qb3 Na6 11. cxd5 cxd5
- +0.207. c4 Bb4+ 8. Nbd2 O-O 9. O-O Bf5 10. cxd5 Bxd2 11. Bxd2 Nxd2
- +0.117. Nc3 Nxc3 8. bxc3 O-O 9. O-O Nd7 10. c4 dxc4 11. Bxc4 h6
Variations
Frequently asked questions
What is the best move in the Petrov's Defense: Classical Attack, Marshall Variation?
After 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6, Stockfish 18 at depth 18 recommends 7. O-O for White, continuing O-O 8. c4 c6 9. Re1 Bf5 10. Qb3 Na6 11. cxd5 cxd5. White is slightly better (+0.37). The next best moves are 7. c4 (+0.20) and 7. Nc3 (+0.11).
Is the Petrov's Defense: Classical Attack, Marshall Variation a good opening?
Stockfish rates the position at +0.37: 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 Petrov's Defense: Classical Attack, Marshall Variation?
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+).