Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Nb8 9. c4 Be7 10. Be2 O-O 11. O-O a6 12. Nc3 Nd7 13. Be3 f5 14. f4 Bf6 15.
Qc2 e4 16. Rad1 Qc7 17. Kh1 b6 18. Bd4 Bxd4 19. Rxd4 Rb8 20. g4 fxg4 21. Bxg4
Nf6 22. Bxc8 Rbxc8 23. Nxe4 Nxe4 24. Rxe4 b5 25. b3 Qf7 26. Qe2 bxc4 27. bxc4
Rb8 28. Re7 Qf6 29. Re6 Qd4 30. Re4 Qc3 31. Re3 Qf6 32. Rb3 Rbe8 33. Qf3 Qd4
34. Rc3 Re4 35. Rd1 Rfxf4 36. Rxd4 Rxf3 37. Rxf3 Rxd4 38. Ra3 Rxc4 39. Rxa6 Kf7
40. Rxd6 Rc1+ 41. Kg2 Rc2+ 42. Kg3 Rxa2 43. Rd7+ Kf6 44. Rd6+ Ke7 45. Rb6 Rd2
46. Rb7+ Kf6 47. Rd7 h5 48. d6 g5 49. Rd8 Rd3+ 50. Kg2 Kf5 51. d7 Kg4 52. Kf2
Kh4 53. Ke2 Rd6 54. Ke3 g4 55. Kf4 Rd1 56. Ke5 Kh3 57. Rh8 Rxd7 58. Rxh5+ Kg2
59. Kf4 Rd4+ 60. Kg5 Kf3 61. Rh8 Rd5+ 62. Kh4 Ra5 63. Rf8+ Kg2 64. Kxg4 Ra4+
65. Kf5 Kxh2 66. Kg6 Rg4+ 67. Kf7 Ra4 68. Ke7 Kg3 69. Ke8 Ra7 70. Rf1 Kg4 71.
Rf8 Kg5 72. Rf1 Kg6 73. Kd8 Kg7 74. Kc8 Ra2 75. Rg1+ Kf6 76. Re1 Rd2 77. Rf1+
Ke5 78. Re1+ Kd6 79. Rc1 Rd5 80. Rh1 Rg5 81. Kd8 *
Position (FEN): 3K4/8/3k4/6r1/8/8/8/7R b - - 31 81
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 580
Best move: Rg8#