Chess puzzle (Equality)
Moves: 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. Ne5
Nbd7 9. d4 Ne4 10. Nxe4 dxe4 11. Nxd7 Qxd7 12. Be3 Rad8 13. Qc2 f5 14. a3 Bf6
15. Red1 Qc8 16. Rac1 g5 17. b4 Kh8 18. a4 Bg7 19. d5 f4 20. Bd4 e5 21. Bc3 f3
22. Bf1 Qf5 23. exf3 exf3 24. Qxf5 Rxf5 25. Bd3 Rff8 26. Re1 Rde8 27. Re3 g4
28. Rce1 e4 29. Bxg7+ Kxg7 30. Rxe4 Rxe4 31. Rxe4 h5 32. h3 Bc8 33. Re7+ Rf7
34. Rxf7+ Kxf7 35. hxg4 hxg4 36. Kf1 Kf6 37. Ke1 Ke5 38. Kd2 Kd4 39. Bf1 a5 40.
c5 axb4 41. cxb6 *
Position (FEN): 2b5/2p5/1P6/3P4/Pp1k2p1/5pP1/3K1P2/5B2 b - - 0 41
Black to move.
Themes:  Bishop Endgame, Endgame  
Puzzle rating: 1683
Best move: cxb6