Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. e5 Nc6 3. f4 d6 4. Nf3 Bg4 5. Bb5 dxe5 6. Bxc6+ bxc6 7. fxe5 e6 8.
h3 Bxf3 9. Qxf3 Qd5 10. O-O Qxf3 11. Rxf3 Ne7 12. d3 Ng6 13. Nc3 Nxe5 14. Rf1
c4 15. Bf4 Bc5+ 16. Kh2 Ng6 17. Ne4 Nxf4 18. Rxf4 Bd4 19. Nd6+ Ke7 20. Nxc4 Bb6
21. Raf1 Bc7 22. Kg1 Bxf4 23. Rxf4 Rhd8 24. Ne5 Rf8 25. Nxc6+ Kd6 26. Na5 Rac8
27. Nc4+ Ke7 28. b4 f6 29. a4 e5 30. Re4 Rfd8 31. Ne3 Ke6 32. Nc4 Rd4 33. Re2
Rcxc4 34. dxc4 Rxc4 35. c3 Rxc3 36. Rb2 Ra3 37. a5 Kd5 38. Kf2 Kc4 39. b5 Rxa5
40. b6 axb6 41. Rxb6 Ra7 42. Rd6 Kc5 43. Rd8 Kc6 44. Kf3 Rd7 45. Ra8 h5 46. Ke4
Rd4+ 47. Kf5 Rf4+ 48. Ke6 Rf2 49. g4 Kb5 50. gxh5 Rf3 51. Kd5 Rxh3 52. Rb8+ Ka4
53. Kc4 Ka5 54. Rg8 Rxh5 55. Rxg7 Rf5 56. Kc5 Rf4 *
Position (FEN): 8/6R1/5p2/k1K1p3/5r2/8/8/8 w - - 3 57
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 950
Best move: Ra7#