Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Moscow_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. c3 Be7 8.
d4 O-O 9. Bf4 Qc7 10. e5 Nh5 11. Bg5 Bxg5 12. Nxg5 Nf4 13. Qe4 dxe5 *
Position (FEN): r4rk1/ppqn1ppp/4p3/2p1p1N1/3PQn2/2P5/PP3PPP/RN3RK1 w - - 0 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 501
Best move: Qxh7#