Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Harrwitz_Attack
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3
Nc6 9. Qc2 h6 10. O-O-O Na5 11. b4 Qb6 12. bxa5 Bxa3+ 13. Kd2 Qxa5 14. Ra1 Ne4+
15. Kd3 dxc4+ 16. Kxc4 Nxc3 17. Qxc3 *
Position (FEN): r1b2rk1/pp3pp1/4p2p/q7/2K2B2/b1Q1PN2/5PPP/R4B1R b - - 0 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 2143
Best move: Qd5#