Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. h3 O-O 6. e4 c5 7. e5 dxe5 8. dxe5
Qxd1+ 9. Nxd1 Nfd7 10. e6 fxe6 11. Bd3 Nc6 12. a3 e5 13. Be4 Nd4 14. Nxd4 exd4
15. O-O Nf6 16. Bd3 e5 17. f3 b6 18. Nf2 Bb7 19. a4 a5 20. Bg5 Rae8 21. Bxf6
Bxf6 22. Be4 Bxe4 23. Nxe4 Be7 24. Rad1 Rf7 25. Rd3 Rd8 26. b3 Bd6 27. Re1 Bc7
28. Ng5 Re7 29. Ne4 Rf8 30. g3 Ref7 31. Kg2 h6 32. Nf2 Re8 33. Ne4 Kg7 34. Nf2
g5 35. Re4 Kg6 36. Ng4 h5 37. Nf2 Kh6 38. h4 gxh4 39. Rxh4 Bd8 40. Rh3 Rg8 41.
Ng4+ Rxg4 42. fxg4 Kg5 43. Rxh5+ Kxg4 44. Rxe5 Re7 45. Rd5 Bc7 46. Rf3 Re5 47.
Rd7 Re2+ 48. Rf2 Rxf2+ 49. Kxf2 Bxg3+ 50. Ke2 Kf4 51. Rb7 Ke4 52. Re7+ Be5 53.
Rb7 d3+ 54. Kd2 Kd4 55. Rxb6 Bf4+ 56. Kd1 Kc3 57. Rb5 Be3 58. Rxa5 Kxb3 59. Ra8
Kxc4 60. a5 Kb5 61. Rc8 Kxa5 62. Re8 Bd4 63. Rd8 Kb4 64. Kd2 Kc4 65. Ra8 Bc3+
66. Kd1 Kd4 67. Rd8+ Ke4 68. Re8+ Be5 69. Rc8 Kd5 70. Rd8+ Kc4 71. Re8 Bd4 72.
Rc8 Kc3 73. Ra8 c4 74. Rc8 Be3 75. Rc6 Kb4 76. Re6 Bc5 77. Re8 c3 78. Rb8+ Kc4
79. Ra8 c2+ 80. Kd2 Kb3 81. Rb8+ Bb4+ 82. Kc1 *
Position (FEN): 1R6/8/8/8/1b6/1k1p4/2p5/2K5 b - - 5 82
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 
Puzzle rating: 901
Best move: d2#