Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c6 3. e3 Bf5 4. Nf3 e6 5. c4 Bxb1 6. Qxb1 Bb4+ 7. Nd2 Nf6 8. f3
Nh5 9. Be5 f6 10. Bg3 Nxg3 11. hxg3 Qa5 12. Qc2 Nd7 13. a3 O-O-O 14. c5 e5 15.
Rd1 Bxd2+ 16. Qxd2 Qxd2+ 17. Rxd2 exd4 18. exd4 Rde8+ 19. Kf2 Nf8 20. Bd3 g6
21. b4 a6 22. a4 Kd7 23. b5 axb5 24. axb5 Ne6 25. bxc6+ bxc6 26. Be2 Ra8 27. f4
f5 28. Rb2 Kc7 29. g4 Nxd4 30. gxf5 Nxf5 31. Bg4 Ra4 32. Bxf5 Rxf4+ 33. Kg3
Rxf5 34. Re1 d4 35. Re7+ Kc8 36. Ra2 Kb8 37. Rb2+ Kc8 38. Ra2 Kb8 39. Raa7 Rxc5
40. Reb7+ Kc8 41. Rc7+ Kb8 42. Rcb7+ Kc8 43. Kf2 Rf8+ 44. Ke2 Re8+ 45. Kd3 Rc1
46. Rc7+ Kb8 47. Rcb7+ Kc8 48. Rxh7 c5 *
Position (FEN): 2k1r3/R6R/6p1/2p5/3p4/3K4/6P1/2r5 w - - 0 49
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1347
Best move: Ra8#