Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bb5 exf4 5. d3 Bd7 6. O-O g6 7. Bxf4 Bg7 8. c3
Nge7 9. Bxc6 Nxc6 10. Ng5 O-O 11. Kh1 h6 12. Nf3 Kh7 13. Nbd2 Ne5 14. Nxe5 dxe5
15. Bg3 Be6 16. Nf3 Bg4 17. Qd2 Bxf3 18. Rxf3 Qe7 19. h3 Rad8 20. Raf1 Kg8 21.
a3 b6 22. Qf2 c5 23. Bh4 g5 24. Bg3 a5 25. c4 Rd7 26. Rd1 Rfd8 27. Qe1 Rd6 28.
b4 axb4 29. axb4 Rf6 30. Rxf6 Qxf6 31. bxc5 bxc5 32. Qa5 Qd6 33. Qa7 Rd7 34.
Qa8+ Rd8 35. Qd5 Qd7 36. Kh2 Qd6 37. Kg1 Qe7 38. Qc6 Qd6 39. Qd5 Qe7 40. Qc6
Qd6 41. Qxd6 Rxd6 42. Kf2 Kf8 43. Kf3 Ke7 44. Kg4 Ke6 45. Kh5 Rb6 46. Rd2 Rb3
47. h4 gxh4 48. Bxh4 Ra3 49. g4 Rb3 50. g5 hxg5 51. Bxg5 Bf6 52. Bh6 Bd8 53.
Bf8 Be7 54. Bxe7 Kxe7 55. Kg5 Ke6 56. Kg4 Ra3 57. Kf3 Kd6 58. Ke2 Kc6 59. Rb2
Ra8 60. Kd2 f6 61. Kc3 Ra3+ 62. Kc2 Ra8 63. Rb1 Ra2+ 64. Kb3 Rd2 65. Kc3 Rf2
66. Ra1 Kb6 67. Ra8 Kc7 68. Ra5 Kb6 69. Rb5+ Kc6 70. Rb8 Kc7 71. Rf8 Kd7 72.
Rh8 Rf1 73. Rh3 Ke6 74. Kb3 Rb1+ 75. Ka4 Ra1+ 76. Kb5 Kd6 77. Kb6 Rb1+ 78. Ka5
Kc6 79. Rh6 *
Position (FEN): 8/8/2k2p1R/K1p1p3/2P1P3/3P4/8/1r6 b - - 37 79
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 853
Best move: Ra1#