Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Be7 5. Bb5 Nf6 6. O-O O-O 7. d4 exd4 8.
Nxd4 a6 9. Nxc6 bxc6 10. Bxc6 Ra7 11. Qf3 Bb7 12. Bxb7 Rxb7 13. b3 Rb6 14. Bb2
c5 15. Nd5 Nxd5 16. exd5 Bf6 17. Bxf6 Qxf6 18. c4 a5 19. Rae1 h6 20. h3 Rfb8
21. f5 Qd4+ 22. Qe3 Qxe3+ 23. Rxe3 a4 24. Rff3 axb3 25. axb3 Kf8 26. g4 R8b7
27. Kg2 f6 28. Kg3 Kf7 29. h4 g5 30. hxg5 hxg5 31. Kf2 Ra6 32. Rd3 Ra2+ 33. Kg3
Ra1 34. Rfe3 Rg1+ 35. Kf3 Rh1 36. Kg2 Rh4 37. Rg3 Ra7 38. Kf3 Ra1 39. Re3 Rf1+
40. Kg2 Rfh1 41. Re2 R4h2+ 42. Kf3 Rf1+ 43. Ke3 Rxe2+ 44. Kxe2 Rf4 45. Kd2 Re4
46. Kc3 Re5 47. b4 cxb4+ 48. Kxb4 Ke7 49. Kb5 Kd7 50. Rc3 Kc7 51. Rg3 Re4 52.
Kb4 Kb6 53. Rg1 Re2 54. Kc3 Kc5 55. Rb1 Re3+ 56. Kd2 Re4 57. Kd3 Rxg4 *
Position (FEN): 8/8/3p1p2/2kP1Pp1/2P3r1/3K4/8/1R6 w - - 0 58
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 425
Best move: Rb5#