Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. e3 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Bd3 O-O 7. O-O a6 8. b3
Nbd7 9. Bb2 Nb6 10. Qe2 dxc4 11. bxc4 Be6 12. h3 h6 13. Rac1 Kh7 14. Rfd1 Qc7
15. e4 Rad8 16. d5 Bc8 17. e5 Ng8 18. Ne4 cxd5 19. cxd5 Qb8 20. d6 exd6 21.
Nxd6 Be6 22. Bd4 Nd5 23. Qe4 Nb4 24. Qxb7 Nxd3 25. Rxd3 Qxb7 26. Nxb7 Rb8 27.
Nc5 Bf5 28. Ra3 Rfd8 29. Rxa6 Rb4 30. Be3 Rc8 31. Ra7 Rf8 32. a4 Be4 33. Nxe4
Rxe4 34. a5 Bxe5 35. Nxe5 Rxe5 36. Bc5 Rc8 37. Rxf7+ Kh8 38. Be3 Rxc1+ 39. Bxc1
Re1+ 40. Kh2 Rxc1 41. a6 Ra1 42. a7 g5 43. h4 gxh4 44. Kh3 Ra4 45. f4 Ra6 46.
Kxh4 Ra5 47. g4 Ra4 48. f5 Ra6 49. Kh5 Ra5 50. Kg6 Ra6+ 51. f6 Nxf6 52. Rxf6
Rxa7 *
Position (FEN): 7k/r7/5RKp/8/6P1/8/8/8 w - - 0 53
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 580
Best move: Rf8#