Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 O-O 8. e5
Nd5 9. Bxh7+ Kxh7 10. Ng5+ Kg8 11. Qh5 Nf6 12. exf6 Bxc3+ 13. bxc3 Qxf6 *
Position (FEN): rnb2rk1/ppp2pp1/4pq2/6NQ/3P4/2P5/P4PPP/R1B1K2R w KQ - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 842
Best move: Qh7#