Chess puzzle (Equality)
Moves: 1. e4 Nc6 2. d4 e5 3. d5 Nd4 4. Nf3 Bc5 5. Nxe5 Qf6 6. Nf3 h6 7. Nc3 d6 8. Be2
a6 9. O-O Bg4 10. Be3 Nxf3+ 11. Bxf3 Bd7 12. Bxc5 dxc5 13. Re1 Qg6 14. Kh1
O-O-O 15. d6 cxd6 16. Nd5 Kb8 17. b4 c4 18. a4 Bc6 19. Qd4 Bxd5 20. Qxd5 Ne7
21. Qxc4 Rc8 22. Qd3 Rc7 23. b5 a5 24. Rad1 Rd8 25. Rc1 Qf6 26. e5 Qe6 27. exd6
Qxd6 28. Qxd6 Rxd6 29. Red1 Rf6 30. Rd8+ Ka7 31. c4 Rf4 32. c5 Nc8 33. b6+ Nxb6
34. cxb6+ Kxb6 35. Rxc7 Kxc7 36. Rd1 Rxa4 37. Rc1+ Kd6 38. Rd1+ Kc7 39. h3 g5
40. Rb1 b6 41. Kh2 f5 42. Bh5 Rh4 43. Be2 Re4 44. Bd3 Rf4 45. f3 h5 46. Re1 g4
47. hxg4 fxg4 48. fxg4 hxg4 49. Kg3 Rd4 50. Bf5 Kd6 51. Bxg4 Kc5 52. Rb1 b5 53.
Bd7 b4 54. Ba4 Rd3+ 55. Kf2 Rc3 56. Rb3 Rc2+ 57. Ke3 Ra2 58. Be8 a4 59. Bxa4
Rxa4 60. Kd3 Ra2 61. g4 Rg2 62. Rb1 Rxg4 63. Rc1+ Kb5 64. Kc2 Rc4+ 65. Kb2 Rd4
66. Rc2 Rd3 67. Kb1 b3 68. Rb2 Kb4 69. Kc1 Rc3+ *
Position (FEN): 8/8/8/8/1k6/1pr5/1R6/2K5 w - - 4 70
White to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 2397
Best move: Kb1