Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. c3 Nc6 3. e3 e5 4. Nf3 e4 5. Ne5 cxd4 6. cxd4 Nxe5 7. dxe5 Qa5+ 8.
Nc3 Qxe5 9. Bc4 Bb4 10. Qd5 Bxc3+ 11. bxc3 Qxc3+ 12. Ke2 Qf6 13. Ba3 Ne7 14.
Bxe7 Qxe7 15. Rac1 O-O 16. Rhd1 Kh8 17. Rd4 f5 18. Bb5 Qa3 19. Rc7 Qb2+ 20. Ke1
a6 21. Bxd7 Bxd7 22. Qxd7 Qb1+ 23. Ke2 Qxa2+ 24. Rd2 Qg8 25. Rxb7 Rad8 26. Qe7
Rxd2+ 27. Kxd2 Rd8+ 28. Ke1 Rc8 29. Rc7 Rb8 30. Rb7 Re8 31. Qf7 Rf8 32. Qxg8+
Kxg8 33. Ra7 Rf6 34. Kd2 Kf8 35. Kc3 Rb6 36. h4 Rc6+ 37. Kd4 Rc2 38. f3 Rxg2
39. fxe4 Rg4 40. Ke5 Rxe4+ 41. Kxf5 Rxe3 42. h5 Rf3+ 43. Ke6 Rf6+ 44. Ke5 Rb6
45. Kf5 h6 46. Ke5 Rb5+ 47. Ke6 Rxh5 *
Position (FEN): 5k2/R5p1/p3K2p/7r/8/8/8/8 w - - 0 48
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1383
Best move: Ra8#