Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Grand_Prix_Attack
Moves: 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Nf6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 g6 8. O-O
Bg7 9. Be3 O-O 10. Qd2 Ng4 11. h3 Nxe3 12. Qxe3 a6 13. Rae1 b5 14. a3 Rb8 15.
Ne2 Bxb2 16. Ng5 Bxa3 17. Qg3 Bb2 18. Qh4 Bf6 *
Position (FEN): 1r1q1rk1/4pp1p/p1bp1bp1/1pp3N1/4PP1Q/3P3P/2P1N1P1/4RRK1 w - - 4 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 457
Best move: Qxh7#