Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bh4 g5 8. Bg3
Ne4 9. Nxe4 dxe4 10. Qc2 Bb4+ 11. Kd1 Bf5 12. Qxc7 Nc6 13. Qxb7 Nxd4 14. Qxb4
Nf3+ 15. Ke2 *
Position (FEN): r2qk2r/p4p2/7p/5bp1/1Q2p3/4PnB1/PP2KPPP/R4BNR b kq - 2 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1523
Best move: Qd3#