Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Bb4 8.
Be2 Nf6 9. O-O Bxc3 10. bxc3 O-O 11. Ba3 Rd8 12. Qb3 Qxb3 13. axb3 Ne4 14. Rac1
a5 15. Bd3 Nd6 16. Rfd1 a4 17. b4 b5 18. c4 bxc4 19. Bxc4 Nxc4 20. Rxc4 Ne7 21.
b5 Nd5 22. Ne5 Bd7 23. Nc6 Bxc6 24. bxc6 Rdc8 25. g3 Ra6 26. Rdc1 f6 27. h4 Kf7
28. h5 Ke8 29. Kg2 Kd8 30. Kf3 Ne7 31. c7+ Kd7 32. Bxe7 Kxe7 33. Ra1 Ra7 34.
Raxa4 Raxc7 35. Rxc7+ Rxc7 36. Ke4 Rd7 37. f4 Kf7 38. g4 h6 39. Ra6 Rb7 40. f5
exf5+ 41. gxf5 Rb4 42. Ra7+ Kf8 43. Kd5 Rb1 44. Ke6 Re1+ 45. Kd6 Rf1 46. Rb7
Rxf5 47. Ke6 Rxh5 *
Position (FEN): 5k2/1R4p1/4Kp1p/7r/3P4/8/8/8 w - - 0 48
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 802
Best move: Rb8#