Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. Nf3 Nc6 3. c4 e5 4. cxd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 e4 8.
Ng1 Bf5 9. e3 Nf6 10. c4 Qd7 11. Rb1 b6 12. Ne2 O-O 13. Ng3 Bg4 14. Qa4 Nxd4
15. Qxd7 *
Position (FEN): r4rk1/p1pQ1ppp/1p3n2/8/2Pnp1b1/4P1N1/P2B1PPP/1R2KB1R b K - 0 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1354
Best move: Nc2#