Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. d3 Nc6 7. Bxc6 Bxc6 8.
O-O Nf6 9. Qe1 O-O 10. Qh4 e6 11. f5 d5 12. fxg6 fxg6 13. Ng5 Qd7 14. e5 Nh5
15. g4 Rxf1+ 16. Kxf1 Rf8+ 17. Kg1 Nf4 *
Position (FEN): 5rk1/pp1q2bp/2b1p1p1/2ppP1N1/5nPQ/2NP4/PPP4P/R1B3K1 w - - 3 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 503
Best move: Qxh7#