Chess puzzle (Equality)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 c6 5. Bd3 Bg4 6. O-O Qf6 7. Nbd2 Ne7 8.
b3 Nf5 9. h4 Nxd4 10. Bb2 Nxf3+ 11. Qxf3 Bxf3 12. Bxf6 gxf6 13. Nxf3 Bb4 14. c4
Nd7 15. cxd5 cxd5 16. a3 Bc3 17. Rac1 d4 18. Bb5 a6 19. Bxd7+ Kxd7 20. Nxd4
Bxd4 21. Rfd1 Rad8 22. Rxd4+ Ke6 23. Re4+ Kf5 24. f3 Rd3 25. Rc5+ Kg6 26. Rg4+
Kh6 27. Rc7 Rf8 28. Rxb7 Rd6 29. Ra7 f5 30. Ra4 Kh5 31. R7xa6 Rxa6 32. Rxa6
Kxh4 33. Kh2 f6 34. b4 Kg5 35. b5 f4 36. b6 Rb8 37. a4 h5 38. a5 h4 39. Ra7 Kf5
40. a6 *
Position (FEN): 1r6/R7/PP3p2/5k2/5p1p/5P2/6PK/8 b - - 0 40
Black to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 905
Best move: Rxb6