The Vienna Game: Philidor Countergambit is a chess opening classified under ECO code C25 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. Nc3 Nc6 3. d4 f5. The resulting position leaves white to move.
Resulting Position
1. e4 e5 2. Nc3 Nc6 3. d4 f5
r1bqkbnr/pppp2pp/2n5/4pp2/3PP3/2N5/PPP2PPP/R1BQKBNR w KQkq - 0 4Resulting Position