Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. d3 d5 5. exd5 exd5 6. Bb5 Bd7 7. O-O Be7 8.
Re1 Nf6 9. Nc3 O-O 10. Bg5 a6 11. Ba4 b5 12. Bb3 c4 13. dxc4 dxc4 14. Nd5 Nxd5
15. Qxd5 Bxg5 16. Nxg5 cxb3 17. axb3 Be8 18. Qf5 Qf6 *
Position (FEN): r3brk1/5ppp/p1n2q2/1p3QN1/8/1P6/1PP2PPP/R3R1K1 w - - 3 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 774
Best move: Qxh7#