Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 Nf6 2. c4 d5 3. Nc3 dxc4 4. Bg5 Nd5 5. e4 Nxc3 6. bxc3 b5 7. a4 c6 8. Nf3
f6 9. Bd2 e6 10. e5 Be7 11. exf6 Bxf6 12. Ne5 Bxe5 13. Qh5+ g6 14. Qxe5 O-O 15.
Bh6 Rf5 *
Position (FEN): rnbq2k1/p6p/2p1p1pB/1p2Qr2/P1pP4/2P5/5PPP/R3KB1R w KQ - 3 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 853
Best move: Qg7#