Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Normal_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Be7 5. Nf3 Nbd7 6. Bd2 O-O 7. cxd5 exd5 8.
Bd3 c5 9. Bf5 cxd4 10. Nxd4 Ne5 11. Bxc8 Rxc8 12. O-O b6 13. Rc1 Bc5 14. Nb3
Re8 15. Nxc5 bxc5 16. Na4 c4 17. Bc3 Nd3 18. Bxf6 Qxf6 19. Rc3 *
Position (FEN): 2r1r1k1/p4ppp/5q2/3p4/N1p5/2RnP3/PP3PPP/3Q1RK1 b - - 1 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1676
Best move: Nxb2