Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5
Bxd5 9. exd5 Be7 10. Qd2 O-O 11. O-O-O b5 12. a3 Nbd7 13. Na5 Ne4 14. Qb4 Bg5
15. Qxe4 Bxe3+ 16. fxe3 Qxa5 17. Bd3 Nc5 *
Position (FEN): r4rk1/5ppp/p2p4/qpnPp3/4Q3/P2BP3/1PP3PP/2KR3R w - - 2 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 837
Best move: Qxh7#