Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 c5 4. h4 Nc6 5. dxc5 Nxe5 6. c4 dxc4 7. Qxd8+ Kxd8 8.
Bf4 Nd3+ 9. Bxd3 cxd3 10. Be3 e5 11. f3 Ne7 12. Nc3 Nf5 13. Bf2 Nd4 14. O-O-O
Bf5 15. g4 Be6 16. Rxd3 Bxc5 17. Nge2 Bc4 18. Rd2 Bxe2 19. Nxe2 Rc8 20. Kb1 Ke7
21. Nxd4 Bxd4 22. Bxd4 exd4 23. Re1+ Kf6 24. Rxd4 Rhd8 25. Rf4+ Kg6 26. h5+ Kh6
27. Rxf7 Rf8 28. Ree7 Rxf7 29. Rxf7 Rb8 30. f4 g6 31. hxg6 hxg6 32. Kc2 a5 33.
Kd3 b5 34. Kd4 Rc8 35. Ke5 Rc5+ 36. Kd6 Rc2 37. b3 Rxa2 38. Rf6 Kg7 39. Re6 Rb2
40. Re3 a4 41. Ke5 Rxb3 42. Re1 a3 43. Rd1 a2 44. Rd7+ Kf8 45. Ra7 Rb2 46. Kf6
b4 *
Position (FEN): 5k2/R7/5Kp1/8/1p3PP1/8/pr6/8 w - - 0 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1057
Best move: Ra8#