Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 d6 4. Nf3 Nf6 5. Bc4 Nc6 6. d3 Be7 7. O-O O-O 8. a3
Bd7 9. Qe1 Qc7 10. Qh4 a6 11. Ng5 b5 12. Ba2 Qb6 13. Kh1 Rac8 14. e5 dxe5 15.
fxe5 Nxe5 16. Rxf6 Bxf6 *
Position (FEN): 2r2rk1/3b1ppp/pq2pb2/1pp1n1N1/7Q/P1NP4/BPP3PP/R1B4K w - - 0 17
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 851
Best move: Qxh7#