Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bd6 5. Bg5 c6 6. e3 Qc7 7. h3 Nbd7 8. cxd5
exd5 9. Bd3 O-O 10. O-O Re8 11. Re1 c5 12. Nb5 Qc6 13. Nxd6 Qxd6 14. dxc5 Nxc5
15. Be2 Nfe4 16. Bf4 Qb6 17. Be5 Be6 18. Nd4 Nd7 19. Nxe6 fxe6 20. Bd4 Qd6 21.
a3 e5 22. Bc3 Rf8 23. Bb4 Nec5 24. Rc1 a5 25. Bxc5 Nxc5 26. Bb5 Rac8 27. Qd2 *
Position (FEN): 2r2rk1/1p4pp/3q4/pBnpp3/8/P3P2P/1P1Q1PP1/2R1R1K1 b - - 3 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1811
Best move: Nb3