Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d3 Nf6 5. Bg5 Nbd7 6. Nc3 O-O 7. Nd5 Nxd5 8.
Bxd5 Bxg5 9. h4 Bf6 10. g4 h6 11. g5 hxg5 12. hxg5 Be7 13. Qe2 c6 14. Qf1 Bxg5
15. Qh3 Bh6 16. Rg1 Nf6 17. Qxh6 cxd5 *
Position (FEN): r1bq1rk1/pp3pp1/3p1n1Q/3pp3/4P3/3P1N2/PPP2P2/R3K1R1 w Q - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 920
Best move: Qxg7#