Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 c5 5. Bb5+ Nc6 6. Ne5 Qb6 7. a4 Be7 8. Nd2
O-O 9. dxc5 Bxc5 10. Nb3 Be7 11. Nxc6 bxc6 12. Be2 a5 13. O-O c5 14. Bb5 Bd7
15. Bxd7 Nxd7 16. e4 e5 17. Bg3 d4 18. Ra2 c4 19. Nd2 f6 20. Nxc4 Qe6 21. b3
Bb4 22. Qe2 Nc5 23. f4 Rac8 24. f5 Qa6 25. Qd1 Nd7 26. Be1 Nb6 27. Bxb4 axb4
28. Nd6 Rc3 29. Nb5 Rc5 30. Qd3 Ra8 31. Re1 *
Position (FEN): r5k1/6pp/qn3p2/1Nr1pP2/Pp1pP3/1P1Q4/R1P3PP/4R1K1 b - - 7 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1662
Best move: Rxb5