Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Bc4 d5 3. exd5 exd5 4. Bb3 Nf6 5. Nf3 Be7 6. O-O O-O 7. d3 a5 8. a4
c5 9. Bg5 Nc6 10. c3 Be6 11. Nbd2 h6 12. Bh4 Ng4 13. Bxe7 Qxe7 14. h3 Nge5 15.
Nxe5 Nxe5 16. Qe2 Bf5 17. f4 Nc6 18. Qxe7 Nxe7 19. d4 c4 20. Ba2 Ng6 21. g4 Bd3
22. Rf3 Rfe8 23. Rf2 Re3 24. Kh2 Rae8 25. Nf3 Re2 26. Kg3 Rxf2 27. Kxf2 Nxf4
28. Ne5 Nxh3+ 29. Kg3 Ng5 30. Nxd3 Re3+ 31. Kf4 Rxd3 32. Ke5 Rd2 33. Rb1 Rg2
34. Kxd5 Rxg4 35. Kxc4 Ne4 36. Kb5 Rg5+ 37. d5 Rg2 38. Kxa5 Nxc3 39. bxc3 Rxa2
40. Rd1 Kf8 41. d6 Ke8 42. d7+ Kd8 43. c4 f5 44. c5 f4 45. Kb6 Rxa4 46. Kxb7
Rc4 47. c6 g5 48. Rh1 Rb4+ 49. Ka6 Kc7 50. Rxh6 Rb8 51. Rg6 Rf8 52. Rxg5 f3 53.
Rg1 Kxc6 54. Rc1+ Kxd7 55. Kb5 Ke6 56. Rf1 Ke5 57. Kc4 Ke4 58. Kc3 Ke3 59. Re1+
Kf2 60. Re7 Rg8 61. Kd2 Kg2 62. Rf7 Re8 63. Rg7+ Kf1 64. Rf7 Re2+ 65. Kd3 Kf2
66. Rf6 Re3+ 67. Kd2 Re8 68. Rf7 Rd8+ 69. Kc2 Kf1 70. Rxf3+ Ke2 71. Rh3 Rd2+
72. Kc3 Rd8 73. Rh2+ Kf1 74. Rb2 Rh8 75. Kd3 Rh3+ 76. Ke4 Rh4+ 77. Kf3 Rh8 *
Position (FEN): 7r/8/8/8/8/5K2/1R6/5k2 w - - 15 78
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1153
Best move: Rb1#