Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Stanley_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 Nc6 6. f4 Nxe4 7. Qd5 Nf6 *
Position (FEN): r1bqk2r/pppp1ppp/2n2n2/3Qp3/2B2P2/P1P5/1PP3PP/R1B1K1NR w KQkq - 2 8
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 543
Best move: Qxf7#