Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. h3 Bd7 5. O-O Nf6 6. Re1 a6 7. Ba4 b5 8. Bb3
Be7 9. c3 O-O 10. a3 Be6 11. Bc2 d5 12. d4 exd4 13. e5 Nd7 14. Nxd4 Ncxe5 15.
f4 Nc4 16. Qd3 Bc5 *
Position (FEN): r2q1rk1/2pn1ppp/p3b3/1pbp4/2nN1P2/P1PQ3P/1PB3P1/RNB1R1K1 w - - 3 17
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 737
Best move: Qxh7#