Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nc6 4. Bf4 a6 5. Nf3 Bg4 6. e3 e6 7. Bxc4 Nf6 8. a3
Bd6 9. Bg3 Bxg3 10. hxg3 b5 11. Ba2 Qd6 12. Qc2 Ne7 13. Ne5 Bf5 14. Qd2 Ne4 15.
g4 *
Position (FEN): r3k2r/2p1nppp/p2qp3/1p2Nb2/3Pn1P1/P1N1P3/BP1Q1PP1/R3K2R b KQkq - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1057
Best move: Nxd2