ECO C42 · Petrov's Defense
Petrov's Defense: Classical Attack
The position after 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4.
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4
Variations of Petrov's Defense: Classical Attack
5 namedPetrov's Defense: Classical Attack is filed under ECO C42, a variation of Petrov's Defense. It is the position after 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 — 9 half-moves in, with Black to move. From here theory names one continuation, Nf6.