Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nbd7 7. O-O Re8 8.
Nbd2 e5 9. e4 exd4 10. Nxd4 Qe7 11. Re1 a5 12. c4 Ne5 13. Qc2 Nc6 14. Nxc6 bxc6
15. h3 Be6 16. Nf3 Rad8 17. Nd4 Bd7 18. Rad1 c5 19. Nb5 Bxb5 20. cxb5 Nd7 21.
Bxg7 Kxg7 22. Qc3+ Qe5 23. Qxa5 Nb6 24. Qd2 Ra8 25. a4 c4 26. f4 Qc5+ 27. Kh2
cxb3 28. Qb2+ Kg8 29. Rc1 Qb4 30. Re3 Nc4 31. Qxb3 Qxb3 32. Rxb3 Rxa4 33. Rbc3
Na3 34. Rxc7 Nxb5 35. Rd7 Ra2 36. Kg1 Nd4 37. Rcc7 Ne2+ 38. Kf2 Nxf4+ 39. Kf3
Nxg2 40. Rxd6 Ne1+ 41. Kf4 Rf2+ 42. Ke3 Rg2 43. g4 Nc2+ 44. Kf3 Rh2 45. Rdd7
Ne1+ 46. Kg3 Re2 47. Rxf7 R8xe4 48. Rg7+ Kf8 49. Rxh7 R2e3+ 50. Kh4 Nf3+ 51.
Kg3 Ng5+ 52. Kf2 Nxh7 53. Rxh7 Re2+ 54. Kf3 R4e3+ 55. Kf4 Re1 56. h4 Re7 57.
Rh8+ Kg7 58. Ra8 R1e4+ 59. Kg3 R4e6 60. Ra4 Kf6 61. Rf4+ Ke5 62. Rf2 Kd5 63. h5
gxh5 64. Rf5+ Re5 65. Rf6 hxg4 66. Kxg4 Re3 67. Rf5+ R7e5 68. Rf4 Rb3 69. Ra4
Rd3 70. Ra5+ Ke4 71. Ra4+ Rd4 72. Ra3 Kd5+ 73. Kf3 Rh5 74. Ra5+ Kc4 75. Rxh5
Rd3+ 76. Kf4 Rd1 77. Rh8 Ra1 78. Rc8+ Kb3 79. Ke4 Ka2 80. Rb8 Ka3 81. Kd4 Rd1+
82. Kc3 Rh1 *
Position (FEN): 1R6/8/8/8/8/k1K5/8/7r w - - 15 83
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 955
Best move: Ra8#