Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Nd4 Nf6 5. Nb3 Nxd5 6. Nc3 Nxc3 7. bxc3 Bd6 8.
d3 exd3 9. Bxd3 O-O 10. O-O Nc6 11. Qh5 g6 12. Qf3 Ne5 13. Qe4 Nxd3 14. cxd3
Bf5 15. Qxb7 Bxd3 16. Rd1 Bc4 17. Ba3 Rb8 18. Qxa7 Ra8 19. Qd4 Rxa3 20. Qxc4
Qf6 21. Qe4 Qxc3 22. Rac1 Qe5 23. Qxe5 Bxe5 24. Rc5 Bd6 25. Rc6 Rxa2 26. Nd4
Re8 27. Nb5 Rb2 28. Nxd6 cxd6 29. Rcxd6 Ree2 30. Rd8+ Kg7 31. Rf1 Rbd2 32. Rb8
Rc2 33. g3 h5 34. Kg2 f6 35. Kf3 g5 36. Rb7+ Kg6 37. Rb6 Kf5 38. Rb5+ Kg6 39.
Rb6 g4+ 40. Kg2 Kg5 41. Rb5+ f5 42. Rb4 h4 43. gxh4+ Kxh4 44. Rf4 Kg5 45. Rb4
f4 46. Rb5+ Kh4 47. Rb6 f3+ 48. Kg1 Kg5 49. Rb5+ Kf4 50. Rb4+ Re4 51. Rb5 Rce2
52. Ra5 Re1 53. Rh5 Rxf1+ 54. Kxf1 Rc4 55. Ke1 Rd4 56. Rh7 Ke4 57. Rf7 Kd3 58.
Kd1 Rb4 59. Kc1 Rc4+ 60. Kd1 Ra4 61. Rd7+ Kc3 62. Rc7+ Kd3 63. Re7 *
Position (FEN): 8/4R3/8/8/r5p1/3k1p2/5P1P/3K4 b - - 18 63
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 512
Best move: Ra1#