Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. Nbd2 Bg7 5. g3 d5 6. Bg2 dxe4 7. dxe4 Nf6 8.
O-O Bg4 9. c3 Qd7 10. Qc2 h5 11. Nc4 Bh3 12. Rd1 Bxg2 13. Rxd7 Bxf3 14. Rxb7
O-O-O 15. Rb5 Rd1+ 16. Qxd1 Bxd1 17. Rxc5 Kb7 18. Bf4 Bf3 19. Rxc6 Kxc6 20.
Ne5+ Kb7 21. Nxf3 Nxe4 22. Re1 f5 23. Ng5 e5 24. Nxe4 exf4 25. Nc5+ Kc6 26. Ne6
Bh6 27. gxf4 Rb8 28. b3 Kd6 29. Nd4 Bxf4 30. Re6+ Kd5 31. Rxg6 Rc8 32. Ne2 Be5
33. c4+ Ke4 34. Re6 f4 35. f3+ Kf5 36. Re7 Rd8 37. Rxa7 Rd2 38. Kf1 Rd1+ 39.
Kf2 Rd2 40. Rf7+ Ke6 41. Rf8 Rxa2 42. Kf1 Ra1+ 43. Kf2 Ra2 44. Re8+ Kf5 45. b4
Rb2 46. b5 Bd4+ 47. Ke1 Be3 48. Rd8 Rb4 49. Rd5+ Kg6 50. c5 Rxb5 51. Rd6+ Kg5
52. c6 Rb1+ 53. Rd1 Rb6 54. Rd6 Rb1+ 55. Rd1 Rb6 56. Rd5+ Kh4 57. Rd6 Rb1+ 58.
Rd1 Rb6 59. Nd4 Bxd4 60. Rxd4 Rxc6 61. Rxf4+ Kh3 62. Rf5 h4 63. Rh5 Rc2 64. f4
Kg4 65. Rh8 Rxh2 66. Kf1 Ra2 67. Kg1 h3 68. Rg8+ Kf3 69. Rh8 h2+ 70. Rxh2 *
Position (FEN): 8/8/8/8/5P2/5k2/r6R/6K1 b - - 0 70
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 987
Best move: Ra1#