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. Be2 e5 7. Nf3 Be6 8. O-O
Be7 9. Nd5 Nxe4 10. Nxe7 Qxe7 11. Bd3 Nc5 12. Be3 Nxd3 13. Qxd3 O-O 14. Ng5 f5
15. g4 f4 *
Position (FEN): rn3rk1/1p2q1pp/p2pb3/4p1N1/5pP1/3QB3/PPP2P1P/R4RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 969
Best move: Qxh7#