King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein Variation

The King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein Variation 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 6 moves: 1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8. The resulting position leaves white to move.