C42Black2 book lines continue
Classical Attack, Staunton Variation
Petrov's Defense1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6
Also known as Russian Game: Classical, Marshall, 8.c4 c6, Russian Game, Classical Attack, Staunton Variation, Petroff.