Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit_Accepted
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Bc4 b5 7. Bb3 Nc6 8. O-O
Na5 9. Bd5 exd5 10. exd5 d6 11. Re1+ Be7 12. Ng5 Nf6 13. Qe2 Ra7 14. Be3 Rb7
15. Bd4 O-O 16. Qd3 Bg4 17. Bxf6 Bxf6 *
Position (FEN): 3q1rk1/1r3ppp/p2p1b2/np1P2N1/6b1/2NQ4/PP3PPP/R3R1K1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 535
Best move: Qxh7#