Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8.
Qxd8 Rxd8 9. Bg5 c6 10. Nxe5 Re8 11. O-O-O Na6 12. f4 h6 13. Bh4 Nc5 14. Bf3 g5
15. Bg3 g4 16. Be2 Ncxe4 17. Nxe4 Nxe4 18. Bxg4 Bxe5 19. Bxc8 Bxb2+ 20. Kxb2
Raxc8 21. Rd7 Nc5 22. Rd2 Rcd8 23. Rhd1 Rxd2+ 24. Rxd2 Re4 25. Kc3 b5 26. cxb5
cxb5 27. Rd5 Rc4+ 28. Kb2 b4 29. f5 a5 30. Bf2 Ne4 31. Be3 a4 32. Bxh6 Rc3 33.
Bd2 a3+ 34. Kb1 Rc4 35. h3 Kg7 36. g4 f6 37. Be1 b3 38. axb3 a2+ 39. Kxa2 Rc1
40. Bb4 Rh1 41. Rd7+ Kg8 42. Re7 Ng5 43. Bc3 Rxh3 44. Bxf6 Nf3 45. g5 Nd2 46.
Rb7 Rf3 47. Rb5 Ne4 48. Ka3 Nxf6 49. gxf6 Kf7 50. Ka4 Kxf6 51. b4 Ke7 52. Rc5
Kd6 53. Kb5 Rf4 54. Ka5 Re4 55. Rb5 Rf4 56. Rb6+ Kc7 57. f6 Rf1 58. Re6 Kb7 59.
Re7+ Kc6 60. f7 *
Position (FEN): 8/4RP2/2k5/K7/1P6/8/8/5r2 b - - 0 60
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1467
Best move: Ra1#