Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 d6 6. Bc4 Be7 7. O-O Nf6 8.
Bg5 O-O 9. Qe2 a6 10. Rfd1 Qc7 11. Rac1 b5 12. Bb3 Qb7 13. Bxf6 Bxf6 14. Rxd6
Be7 15. Rdd1 Nc6 16. e5 Na5 17. Bc2 Bd7 18. Qd3 Bc6 *
Position (FEN): r4rk1/1q2bppp/p1b1p3/np2P3/8/2NQ1N2/PPB2PPP/2RR2K1 w - - 5 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 851
Best move: Qxh7#