Chess puzzle (Equality)
Moves: 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O g6 5. d3 Bg7 6. c3 h5 7. Nbd2 Nc6 8. Re1
d5 9. Nf1 d4 10. Nxd4 Nxd4 11. Bxb7 Rb8 12. Bg2 Nf5 13. Qa4+ Nd7 14. Qxa7 h4
15. Qa4 hxg3 16. fxg3 Nd6 17. Bf4 b5 18. Qc2 e5 19. Be3 Nf5 20. Bf2 Qg5 21. e4
Ne7 22. d4 c6 23. dxe5 Bxe5 24. Rad1 Nb6 25. Bd4 Nc4 26. Bxe5 Qxe5 27. b3 Na3
28. Qc1 Ra8 29. Qf4 Qxc3 30. e5 Nc2 31. Rc1 Rxa2 32. Re2 Qd4+ 33. Kh1 Qxf4 34.
gxf4 Nb4 35. Rxa2 Nxa2 36. Ra1 O-O 37. Rxa2 Rd8 38. Ra7 Kf8 39. Rc7 Rd3 40.
Bxc6 Rxb3 41. Bd7 Rf3 42. Kg2 Rxf4 43. Bxb5 Nd5 44. Rc8+ Kg7 45. Bc4 *
Position (FEN): 2R5/5pk1/6p1/3nP3/2B2r2/8/6KP/5N2 b - - 4 45
Black to move.
Themes:  Endgame  
Puzzle rating: 1583
Best move: Nb6