King's Pawn Game: Damiano Defense, Damiano Gambit, Chigorin Gambit

The King's Pawn Game: Damiano Defense, Damiano Gambit, Chigorin Gambit is a chess opening classified under ECO code C40 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 4 moves: 1. e4 e5 2. Nf3 f6 3. Nxe5 Qe7 4. Nf3 d5. The resulting position leaves white to move.