Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 Nf6 5. d3 d6 6. Nbd2 Be7 7. Nf1 O-O 8. Ng3
a6 9. O-O b5 10. Bb3 Bb7 11. h3 Rc8 12. Bg5 d5 13. e5 Nd7 14. Bxe7 Qxe7 15. d4
cxd4 16. cxd4 a5 17. Qd3 Ba6 18. Bc2 Nb4 *
Position (FEN): 2r2rk1/3nqppp/b3p3/pp1pP3/1n1P4/3Q1NNP/PPB2PP1/R4RK1 w - - 4 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 462
Best move: Qxh7#