Chess puzzle (Checkmate)
Moves: 1. e4 b6 2. d4 Bb7 3. Nc3 Nf6 4. Bd3 Nc6 5. Nf3 Nb4 6. O-O Nxd3 7. cxd3 e6 8.
Bg5 Be7 9. Bxf6 Bxf6 10. Rc1 O-O 11. Qb3 c6 12. d5 Bxc3 13. bxc3 cxd5 14. exd5
Bxd5 15. Qd1 Bxa2 16. Ra1 Bd5 17. c4 Bxf3 18. Qxf3 Qf6 19. Qb7 Qe7 20. Rxa7
Rxa7 21. Qxa7 Qd6 22. Rd1 e5 23. Qa1 Qd4 24. Qxd4 exd4 25. Rb1 Rb8 26. c5 b5
27. Kf1 b4 28. Ke2 Rb5 29. Kf3 Rxc5 30. Rxb4 Rd5 31. Ke4 Rh5 *
Position (FEN): 6k1/3p1ppp/8/7r/1R1pK3/3P4/5PPP/8 w - - 3 32
White to move.
Themes:  Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1018
Best move: Rb8#