Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Ne7 5. d4 Ng6 6. Bd3 c4 7. Bxg6 fxg6 8. Qc2
Be7 9. h4 Nc6 10. Na3 Bd7 11. Nb5 Qb6 12. Nd6+ Bxd6 13. exd6 Na5 14. Bf4 O-O
15. Be5 Nc6 16. h5 gxh5 17. Ng5 g6 18. Rxh5 gxh5 *
Position (FEN): r4rk1/pp1b3p/1qnPp3/3pB1Np/2pP4/2P5/PPQ2PP1/R3K3 w Q - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 607
Best move: Qxh7#