Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 c6 5. Bxc4 cxd5 6. Bxd5 Bb4+ 7. Bd2 Bxd2+ 8.
Qxd2 Nf6 9. Nc3 Nxd5 10. Nxd5 Be6 11. O-O-O Bxd5 12. Qxd5 Qxd5 13. Rxd5 Nc6 14.
Nf3 f6 15. Rhd1 O-O 16. Rd7 Rab8 17. a3 Rfc8 18. Kb1 Na5 19. Nd2 Rd8 20. Nf3
Rxd7 21. Rxd7 Nc4 22. Nd2 Nxd2+ 23. Rxd2 Rc8 24. f3 b5 25. b4 a6 26. Kb2 Kf7
27. Kb3 Ke6 28. g4 g5 29. h3 h6 30. Rd5 Rc6 31. a4 bxa4+ 32. Kxa4 Rc1 33. Rc5
Ra1+ 34. Kb3 Rf1 35. Rc3 Rh1 36. Rc6+ Kf7 37. Rxa6 Rxh3 38. b5 Rxf3+ 39. Kc4
Rf4 *
Position (FEN): 8/5k2/R4p1p/1P2p1p1/2K1PrP1/8/8/8 w - - 2 40
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 2125
Best move: b6