C42

Petrovs Defense: Paulsen Attack

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4

The Petrovs Defense: Paulsen Attack 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. Nc4.

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.

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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