King's Gambit Accepted: Gianutio Countergambit

The King's Gambit Accepted: Gianutio Countergambit is a chess opening classified under ECO code C34 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. f4 exf4 3. Nf3 f5. The resulting position leaves white to move.