Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Qe7
8. Qxe7+ Kxe7 9. Ne2 Re8 10. Bf4 Be6 11. Bxe6 Kxe6 12. O-O-O Na6 13. Rhe1 Kd7
14. c4 Bb4 15. Bd2 Bxd2+ 16. Kxd2 Nc7 17. Nc3 Ne6 18. Kc2 Kc7 19. d5 Nc5 20. b4
Nd7 21. d6+ Kb6 22. c5+ Ka6 23. a4 b5 24. axb5+ cxb5 25. c6 Nb6 26. d7 Red8 27.
Ra1+ Na4 28. Nxa4 bxa4 29. Rxa4+ Kb5 30. Kb3 Kxc6 31. Rd1 Rxd7 32. Ra6+ Kc7 33.
Rxd7+ Kxd7 34. b5 Kc7 35. Rc6+ Kb7 36. Kb4 Rd8 37. Rc2 Rd7 38. Ka5 f5 39. f4 g6
40. g3 h5 41. Rc3 Rd2 42. h4 Ra2+ 43. Kb4 Re2 44. Kc5 Re7 45. Rd3 Kc7 46. Ra3
Kb7 47. Rd3 Kc8 48. Rd6 Rc7+ 49. Kb4 Rd7 50. Rc6+ Kb7 51. Rc3 Re7 52. Rd3 Rc7
53. Re3 Rd7 54. Rc3 Rd4+ 55. Kc5 Rd8 56. Re3 Rd7 57. Kb4 Kb6 58. Rc3 Rd6 59.
Rc8 Rd4+ 60. Kc3 Rd5 61. Rb8+ Kc7 62. Rf8 Rd7 63. Kc4 Kb7 64. Kc5 Rc7+ 65. Kb4
Re7 66. Kc5 Rd7 67. Kb4 Kc7 68. Kc5 Kb7 69. Kb4 Kb6 70. Rb8+ Kc7 71. Rf8 Rd4+
72. Kc5 Rd7 73. Kb4 Kb7 74. Kc5 a6 75. bxa6+ Kxa6 76. Kc6 Rd3 *
Position (FEN): 5R2/5p2/k1K3p1/5p1p/5P1P/3r2P1/8/8 w - - 2 77
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 598
Best move: Ra8#