C42BlackEnd of book
Classical Attack, Mason Variation
Petrov's Defense1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O
Also known as Russian Game: Classical, Mason Variation, Russian Game, Classical Attack, Mason Variation, Petroff.