Chess puzzle (Checkmate)
Moves: 1. b3 d5 2. Bb2 e6 3. e4 dxe4 4. f3 exf3 5. Nxf3 Nf6 6. Be2 Bb4 7. a3 Bc5 8. d4
Bd6 9. O-O O-O 10. c4 c5 11. d5 exd5 12. cxd5 Re8 13. Ng5 Be7 14. Nxf7 Qxd5 15.
Qxd5 Nxd5 16. Bc4 Be6 17. Ne5 Bf6 18. Re1 Bxe5 19. Rxe5 Nc6 20. Rg5 Kf8 21.
Bxd5 Bxd5 22. Rxd5 Re1+ 23. Kf2 Rae8 24. Nc3 R1e6 25. Nb5 Re2+ 26. Kg3 Rxb2 27.
Nc7 Rxb3+ 28. Kh4 Re4+ 29. g4 Ne7 30. Rf1+ Nf5+ 31. Rfxf5+ Ke7 32. Rfe5+ Rxe5
33. Rxe5+ Kd6 34. Rg5 Kxc7 35. Rxg7+ Kc6 36. Rxh7 Rxa3 37. g5 Ra4+ 38. Kh5 Ra2
39. Kh6 Rxh2+ 40. Kg7 Rg2 41. g6 Kd6 42. Rh6 Ke7 43. Kh7 Kf8 44. Kh8 b5 45. Kh7
a5 46. Rh2 Rg5 47. Kh6 Rg4 48. Rf2+ Kg8 49. Rf7 c4 50. Ra7 a4 *
Position (FEN): 6k1/R7/6PK/1p6/p1p3r1/8/8/8 w - - 0 51
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1467
Best move: Ra8#