Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. O-O Nf6 5. Re1 Bg4 6. c3 O-O 7. d4 exd4 8.
cxd4 c5 9. Qb3 Qc7 10. Ng5 Bh5 11. Nc3 Nc6 12. Nb5 Qd7 13. Bf4 a6 14. Nxd6 Bxd6
15. e5 Nxd4 16. Qd3 Bxe5 17. Bxe5 b5 18. Bxf6 gxf6 *
Position (FEN): r4rk1/3q1p1p/p4p2/1pp3Nb/2Bn4/3Q4/PP3PPP/R3R1K1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1024
Best move: Qxh7#