Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 Nc6 3. Bb5 Nf6 4. d3 d5 5. exd5 Nxd5 6. Nf3 a6 7. Bxc6+ bxc6 8.
O-O e6 9. Bd2 Bd6 10. Ng5 Nxf4 11. Bxf4 Bxf4 12. Qf3 Bxg5 *
Position (FEN): r1bqk2r/5ppp/p1p1p3/2p3b1/8/3P1Q2/PPP3PP/RN3RK1 w kq - 0 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1277
Best move: Qxf7#