Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Normal_Defense
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. e3 c5 5. cxd5 cxd4 6. exd4 Nxd5 7. Bd3 Bb4 8.
Ne2 Nc6 9. O-O O-O 10. a3 Be7 11. Bd2 a6 12. Rc1 Qd6 13. f4 Bf6 14. Ne4 Qe7 15.
Nxf6+ Qxf6 16. Bc3 Bd7 17. Bb1 Ne3 18. Qd3 Nxf1 *
Position (FEN): r4rk1/1p1b1ppp/p1n1pq2/8/3P1P2/P1BQ4/1P2N1PP/1BR2nK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 567
Best move: Qxh7#