Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qd8 5. Nf3 e6 6. e4 Be7 7. Bf4 O-O 8.
Qc2 c6 9. Be2 Bb4 10. a3 Ba5 11. Rd1 Bc7 12. e5 Nd5 13. Ng5 f5 14. exf6 Nxf6
15. Be5 h6 16. Bxf6 Qxf6 *
Position (FEN): rnb2rk1/ppb3p1/2p1pq1p/6N1/3P4/P1N5/1PQ1BPPP/3RK2R w K - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 889
Best move: Qh7#