Petrov's Defense: Classical Attack, Marshall Trap
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+
11. Kf1−0.83
Black is clearly better. Stockfish 18, depth 18.
Analyze this positionIn the Petrov's Defense: Classical Attack, Marshall Trap (C42), reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+, Stockfish 18 recommends 11. Kf1 for White. Black is clearly better (−0.83).
Top engine moves
- −0.8311. Kf1 Qe8 12. Nc3 Qh5 13. Nxe4 fxe4 14. Rxe4 Bxf3 15. gxf3 Nd7
- −0.9411. Kxh2 Nxf2 12. Qe2 Nxd3 13. Qe6+ Kh8 14. Bg5 Qd6+ 15. Qxd6 cxd6
- −2.5711. Nxh2 Bxd1 12. Rxd1 Qd6 13. Nf3 Nd7 14. Nc3 a6 15. Nxe4 fxe4
Frequently asked questions
What is the best move in the Petrov's Defense: Classical Attack, Marshall Trap?
After 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+, Stockfish 18 at depth 18 recommends 11. Kf1 for White, continuing Qe8 12. Nc3 Qh5 13. Nxe4 fxe4 14. Rxe4 Bxf3 15. gxf3 Nd7. Black is clearly better (−0.83). The next best moves are 11. Kxh2 (−0.94) and 11. Nxh2 (−2.57).
Is the Petrov's Defense: Classical Attack, Marshall Trap a good opening?
Stockfish rates the position at −0.83: 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 Petrov's Defense: Classical Attack, Marshall Trap?
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+).