C42

Petrov's Defense: Classical Attack, Berger Variation

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2

The Petrov's Defense: Classical Attack, Berger Variation 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 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2.

It belongs to the Petrov's 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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