Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Nf6 5. d3 Be7 6. Ng5 O-O 7. Be3 h6 8. h4
Nd4 9. Qd2 a6 10. O-O-O b5 11. Bd5 Nxd5 12. Nxd5 Bb7 13. Nxe7+ Qxe7 14. Kb1 d6
15. f4 hxg5 16. hxg5 Ne6 17. Qf2 exf4 18. Qh4 Nxg5 *
Position (FEN): r4rk1/1b2qpp1/p2p4/1pp3n1/4Pp1Q/3PB3/PPP3P1/1K1R3R w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 824
Best move: Qh8#