Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit

The Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit is a chess opening classified under ECO code C57 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 6 moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. d4. The resulting position leaves black to move.