King's Gambit Accepted: Tartakower Gambit, Weiss Defense

The King's Gambit Accepted: Tartakower Gambit, Weiss Defense is a chess opening classified under ECO code C33 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. f4 exf4 3. Be2 f5 4. exf5 d6. The resulting position leaves white to move.