Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. d4 cxd4 5. Qxd4 Nf6 6. e5 Be7 7. exf6 Bxf6 8.
Qd1 O-O 9. O-O Nc6 10. c3 d5 11. Bb3 Qc7 12. Be3 Bd7 13. Nbd2 Rad8 14. a3 Na5
15. Ba2 Bc6 16. Qc2 b5 17. Rad1 Nc4 18. Bb1 Nxe3 *
Position (FEN): 3r1rk1/p1q2ppp/2b1pb2/1p1p4/8/P1P1nN2/1PQN1PPP/1B1R1RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 650
Best move: Qxh7#