Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. e3 g6 3. b3 Nf6 4. Bb2 Bg7 5. c4 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. cxd5
Qxd5 9. Qxd5 exd5 10. Nc3 O-O 11. Rc1 Nc6 12. Bb5 Rfe8 13. Bxc6 bxc6 14. Na4
Re6 15. Nc5 Rd6 16. O-O a5 17. Rc2 Ne4 18. Bxg7 Kxg7 19. d4 f5 20. Rfc1 Rb8 21.
Nxe4 dxe4 22. Rxc6 Rxc6 23. Rxc6 Rb7 24. Ra6 Rb5 25. Ra7 a4 26. Rxa4 c5 27.
dxc5 Rxc5 28. Rc4 Ra5 29. a4 Kf6 30. Kf1 g5 31. Ke2 Ke5 32. Kd2 f4 33. Kc3 Rd5
34. b4 fxe3 35. fxe3 Rd3+ 36. Kc2 Rxe3 37. Kd2 Rd3+ 38. Ke2 Kd5 39. Rc5+ Kd4
40. Rxg5 Ra3 41. a5 Ra4 42. a6 Ra2+ 43. Kf1 Rxa6 44. Rg3 Ra1+ 45. Ke2 Rb1 46.
Rg7 Rb2+ 47. Kf1 Rxb4 48. Rd7+ Ke3 49. Rxh7 *
Position (FEN): 8/7R/8/8/1r2p3/4k2P/6P1/5K2 b - - 0 49
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 585
Best move: Rb1#