Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. c3 Bg4 4. d4 Nd7 5. dxe5 dxe5 6. h3 Bh5 7. Bb5 c6 8. Be2
Be7 9. O-O Bf6 10. Nbd2 Ne7 11. b3 Qc7 12. Ba3 O-O 13. Bxe7 Bxe7 14. Nc4 Bg6
15. a4 Bxe4 16. Bd3 Bd5 17. Bc2 a6 18. Qd3 b5 *
Position (FEN): r4rk1/2qnbppp/p1p5/1p1bp3/P1N5/1PPQ1N1P/2B2PP1/R4RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 691
Best move: Qxh7#