The Bishop's Opening: Calabrese Countergambit is a chess opening classified under ECO code C23 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 2 moves: 1. e4 e5 2. Bc4 f5. The resulting position leaves white to move.
Resulting Position
1. e4 e5 2. Bc4 f5
rnbqkbnr/pppp2pp/8/4pp2/2B1P3/8/PPPP1PPP/RNBQK1NR w KQkq - 0 3Resulting Position