Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. a3 a6 4. Bc4 b5 5. Ba2 Bb7 6. d3 Qc7 7. Nbd2 Nc6 8. c3
Nf6 9. Qc2 d6 10. b3 Be7 11. Bb2 O-O 12. Rc1 Rac8 13. Bb1 Ne5 14. O-O c4 15. d4
Nd3 16. e5 Nxc1 17. Rxc1 dxe5 18. dxe5 Ng4 *
Position (FEN): 2r2rk1/1bq1bppp/p3p3/1p2P3/2p3n1/PPP2N2/1BQN1PPP/1BR3K1 w - - 1 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 867
Best move: Qxh7#