Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nge7 5. c3 O-O 6. d4 exd4 7. cxd4 Bb6 8.
d5 Nb8 9. Nc3 d6 10. Bf4 Bg4 11. Qd3 f5 12. Ng5 fxe4 13. Qxe4 Bf5 14. Qf3 Bc8
15. Qg3 Nf5 16. Qd3 Nd4 *
Position (FEN): rnbq1rk1/ppp3pp/1b1p4/1B1P2N1/3n1B2/2NQ4/PP3PPP/R4RK1 w - - 7 17
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 840
Best move: Qxh7#