Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Max_Lange_Defense
Moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. f4 d6 5. Qh5 Bxg1 *
Position (FEN): r1bqk1nr/ppp2ppp/2np4/4p2Q/2B1PP2/2N5/PPPP2PP/R1B1K1bR w KQkq - 0 6
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 729
Best move: Qxf7#