Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. O-O Nf6 8.
Nc3 Be7 9. b3 O-O 10. Bb2 Ng4 11. Nd5 Bf6 12. Nxf6+ Nxf6 13. g4 Bxe4 14. g5
Bxf3 15. gxf6 Qd7 16. Qh4 Qf5 17. Qg3 Rfe8 *
Position (FEN): r3r1k1/ppp2ppp/3p1P2/5q2/8/1P3bQ1/PBP2P1P/R4RK1 w - - 5 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 963
Best move: Qxg7#