Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Tarrasch_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 cxd4 5. dxe6 Bxe6 6. Nxd4 Bb4+ 7. Nc3 Nf6
8. Qa4+ Nc6 9. Nxc6 Bxc3+ 10. bxc3 bxc6 11. Qxc6+ Bd7 12. Qc5 Ne4 13. Qa3 Rc8
14. Bb2 Bf5 15. f3 *
Position (FEN): 2rqk2r/p4ppp/8/5b2/4n3/Q1P2P2/PB2P1PP/R3KB1R b KQk - 0 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 853
Best move: Qd2#