Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Bf4 g6 3. h3 Bg7 4. e3 O-O 5. Nc3 d6 6. a3 Re8 7. Bh2 a6 8. e4 b5
9. Nf3 Bb7 10. Bd3 e5 11. dxe5 dxe5 12. Nxe5 Nxe4 13. Bxe4 Bxe4 14. Qxd8 Rxd8
15. Nxe4 Re8 16. f4 f6 17. Nxf6+ Bxf6 18. O-O-O a5 19. g3 Bxe5 20. fxe5 Rxe5
21. g4 Rc5 22. Bg1 Rc6 23. g5 Na6 24. Bd4 b4 25. axb4 Nxb4 26. Bc3 Na2+ 27. Kd2
Nxc3 28. bxc3 a4 29. Ra1 Rd6+ 30. Kc1 Rb6 31. Ra3 Rb5 32. h4 Rab8 33. Rh3 Ra5
34. c4 Rb4 35. Rhc3 c5 36. Kd2 Rb1 37. Re3 Kf7 38. Kc3 Rh1 39. Re4 Rb1 40. Kd2
Rb7 41. c3 Rb3 42. Rxb3 axb3 43. Kc1 Ra2 44. Re5 Rc2+ 45. Kb1 Rxc3 46. Rxc5 Rh3
47. Kb2 Rxh4 48. Kxb3 Rh3+ 49. Kb4 Ke7 50. Rd5 Ke6 51. Ra5 Rh4 52. Kc3 Rh3+ 53.
Kd2 Rh2+ 54. Ke3 Rh3+ 55. Kd4 Rh4+ 56. Kc5 Kd7 57. Kd5 Rg4 *
Position (FEN): 8/3k3p/6p1/R2K2P1/2P3r1/8/8/8 w - - 19 58
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 757
Best move: Ra7+