Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Be2 h6 9. Nf3 e4 10. Ne5 Qd4 11. f4 Bc5 12. Rf1 Qd8 13. Nc4 Nb7 14. d3 O-O 15.
Nc3 e3 16. Bxe3 Bxe3 17. Nxe3 Re8 18. Nc4 Bg4 19. h3 Bxe2 20. Nxe2 Nd5 21. Kd2
Nc5 22. Nc3 Rb8 23. b3 Nxc3 24. Kxc3 Qf6+ 25. Kd2 Rbd8 26. Ne5 Qf5 27. g4 Qe4
28. Qf3 Qb4+ 29. c3 Ne4+ 30. Ke2 Nxc3+ 31. Kf2 Qd4+ 32. Kg2 f6 33. Nxc6 Qxd3
34. Nxd8 Re2+ 35. Kg1 Qd4+ 36. Kh1 Re3 37. Rad1 Rxf3 38. Rxd4 Rxf1+ 39. Kg2 Ra1
40. a4 Rb1 41. Nc6 Rxb3 42. Nxa7 Ne2 43. Re4 Rb2 44. Kf3 Ng1+ 45. Kg3 Rb3+ 46.
Kg2 Nxh3 47. Nc6 g5 48. Nd4 Ra3 49. Ne2 gxf4 50. Nxf4 Nxf4+ 51. Rxf4 Kg7 52.
Rb4 Kg6 53. Kh2 Kg5 54. Kg2 Kh4 55. Kf2 Ra2+ 56. Kf3 Ra3+ 57. Kf4 h5 58. gxh5
Kxh5 59. Kf5 Rf3+ 60. Ke4 Rf1 61. Rb5+ Kg4 62. a5 f5+ 63. Ke3 f4+ 64. Ke2 Ra1
65. Kf2 Ra2+ 66. Kf1 Kg3 67. Rb8 *
Position (FEN): 1R6/8/8/P7/5p2/6k1/r7/5K2 b - - 7 67
Black to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 1865
Best move: Ra1+