The Petrov's Defense: Three Knights Game is a chess opening classified under ECO code C42 in the Open Games & French Defense family, beginning with 1.e4 e5 or 1.e4 e6, including the Italian Game, Ruy Lopez, and French Defense. It is reached after 3 moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3. The resulting position leaves black to move.
Resulting Position
1. e4 e5 2. Nf3 Nf6 3. Nc3
rnbqkb1r/pppp1ppp/5n2/4p3/4P3/2N2N2/PPPP1PPP/R1BQKB1R b KQkq - 3 3Resulting Position