Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Bird_Gambit
Moves: 1. e4 e5 2. d4 exd4 3. Nf3 d6 4. c3 Nf6 5. Bd3 dxc3 6. Nxc3 Be7 7. O-O O-O 8.
e5 dxe5 9. Nxe5 Bd6 10. Bf4 Re8 11. Re1 Nc6 12. Nxc6 Rxe1+ 13. Qxe1 bxc6 14.
Bg5 Be7 15. Rd1 Qf8 16. Ne4 Nxe4 17. Qxe4 Bxg5 *
Position (FEN): r1b2qk1/p1p2ppp/2p5/6b1/4Q3/3B4/PP3PPP/3R2K1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 530
Best move: Qxh7#