Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. d3 Nf6 5. Bg5 Be7 6. Bh4 O-O 7. Bg3 Nc6 8. a3
a6 9. Nbd2 b5 10. Ba2 Nh5 11. Qe2 Nxg3 12. hxg3 Nd4 13. Nxd4 cxd4 14. f4 Bb7
15. O-O-O d5 16. Rh2 dxe4 17. Nxe4 Bxe4 18. Qxe4 Bf6 *
Position (FEN): r2q1rk1/5ppp/p3pb2/1p6/3pQP2/P2P2P1/BPP3PR/2KR4 w - - 1 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 655
Best move: Qxh7#