Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Traditional_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 b6 6. Nc3 Bb7 7. Be2 Nbd7 8. O-O
O-O 9. a3 dxc4 10. Bxc4 Ne4 11. Bxe7 Qxe7 12. Nxe4 Bxe4 13. Bd3 Nf6 14. Ng5
Bxd3 15. Qxd3 Nd5 *
Position (FEN): r4rk1/p1p1qppp/1p2p3/3n2N1/3P4/P2QP3/1P3PPP/R4RK1 w - - 1 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 829
Best move: Qxh7#