Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Modern_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. Nf3 O-O 6. e3 c6 7. Bd3 Qa5 8. Qc2
dxc4 9. Bxc4 Ne4 10. Qxe4 Bxc3+ 11. Ke2 Bxb2 12. Rab1 Ba3 13. Bd3 Qd5 *
Position (FEN): rnb2rk1/pp3ppp/2p1p3/3q2B1/3PQ3/b2BPN2/P3KPPP/1R5R w - - 4 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 685
Best move: Qxh7#