Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Ng5 e6 5. d3 g6 6. Nc3 Bg7 7. h3 O-O 8. a3 a6
9. Qf3 Nc6 10. Qg3 Nd4 11. Bb3 Bd7 12. Be3 Nb5 13. Nxb5 Bxb5 14. Qh4 Bd7 15. e5
dxe5 16. Bxc5 Re8 17. O-O b6 18. Bd6 Nd5 *
Position (FEN): r2qr1k1/3b1pbp/pp1Bp1p1/3np1N1/7Q/PB1P3P/1PP2PP1/R4RK1 w - - 2 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1025
Best move: Qxh7#