Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 e5 6. Qf3 Nf6 7. Nf5 Bxf5 8.
Qxf5 Nc6 9. Bg5 Be7 10. Bxf6 Bxf6 11. O-O Nd4 12. Qh5 Nxc2 *
Position (FEN): r2qk2r/1p3ppp/p2p1b2/4p2Q/2B1P3/8/PPn2PPP/RN3RK1 w kq - 0 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 719
Best move: Qxf7#