Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 Nf6 2. c4 d5 3. Bg5 e6 4. e3 Be7 5. Qc2 O-O 6. Bd3 c6 7. Nf3 Re8 8. h4 h6
9. Bxf6 Bxf6 10. Nbd2 Nd7 11. Ke2 c5 12. Rag1 cxd4 13. Ng5 Ne5 14. Bh7+ Kh8 15.
exd4 Nxc4 *
Position (FEN): r1bqr2k/pp3ppB/4pb1p/3p2N1/2nP3P/8/PPQNKPP1/6RR w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 716
Best move: Nxf7#