C42

Petrovs 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+

The Petrovs Defense: Classical Attack, Marshall Trap is a chess opening classified under ECO code C42. It is reached after the moves 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+.

It belongs to the Petrovs Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

Play the Petrovs Defense: Classical Attack, Marshall Trap? See where you go wrong.

Deepline reviews your real games, finds the exact moves that cost you, and trains the fixes.

Analyze my games free →

Related openings

Petrov Defense Petrov Defense: Classical Petrov's Defense Petrov's Defense: Classical Attack Petrov's Defense: Classical Attack, Berger Variation Petrov's Defense: Classical Attack, Chigorin Variation Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack Petrov's Defense: Classical Attack, Chigorin Variation, Main Line Petrov's Defense: Classical Attack, Closed Variation Petrov's Defense: Classical Attack, Jaenisch Variation