Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h5 7. c3 Nge7 8. Nd2
Nf5 9. Nxf5 Bxf5 10. Qf3 Be7 11. Qg3 Qd7 12. Nf3 O-O-O 13. Bb5 Rdg8 14. b4 f6
15. Bf4 Be4 16. Nd2 g5 17. hxg5 fxg5 18. Be3 Bf5 19. f3 g4 20. Qf2 Kb8 21. fxg4
Rxg4 22. Nf3 Rhg8 23. Rh2 h4 24. O-O-O a6 25. Ba4 b5 26. Bc2 Bxc2 27. Kxc2 Qe8
28. Kb3 Na7 29. Rd2 Qc6 30. Qe2 Re4 31. Qd3 Qc4+ 32. Kb2 a5 33. a3 a4 34. Qxc4
bxc4 35. Bf2 Rgg4 36. Ne1 Nc6 37. Nc2 Nd8 38. Ne3 Rg8 39. Rd1 Nf7 40. Rdh1 Bg5
41. Nc2 Re2 42. Be1 Be7 43. Kc1 Rgxg2 44. Rxg2 Rxg2 45. Bxh4 Bxh4 46. Rxh4 Ng5
47. Rf4 Ne4 48. Rf3 Nf2 49. Ne1 Rg1 50. Rxf2 Rxe1+ 51. Kc2 Kc8 52. Rf8+ Kd7 53.
Ra8 Re2+ 54. Kc1 Ke7 55. Rxa4 Kf7 56. Ra7 Kg6 57. Rxc7 Kf5 58. b5 Ke4 59. b6
Kd3 60. b7 Kxc3 61. Kd1 Rb2 62. a4 Kd3 63. a5 *
Position (FEN): 8/1PR5/4p3/P2pP3/2pP4/3k4/1r6/3K4 b - - 0 63
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1049
Best move: Rb1#