Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e4 e6 5. a3 Nc6 6. Nf3 Be7 7. Bxc4 O-O 8. O-O
h6 9. d5 exd5 10. Nxd5 Nxd5 11. Bxd5 Bc5 12. b4 Be7 13. Nd4 Nxd4 14. Qxd4 Be6
15. Bb2 Bxd5 *
Position (FEN): r2q1rk1/ppp1bpp1/7p/3b4/1P1QP3/P7/1B3PPP/R4RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 585
Best move: Qxg7#