Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc4 e6 6. O-O Be7 7. f4 O-O 8. Nc3
a6 9. a4 Qc7 10. Bd3 d5 11. e5 Nfd7 12. Qh5 g6 13. Qh6 Re8 14. Nxe6 Qb6+ 15.
Be3 Qxe6 16. f5 Qxe5 17. fxg6 Nf6 18. Rxf6 fxg6 19. Rxg6+ hxg6 20. Qxg6+ Qg7
21. Qxe8+ Qf8 22. Qxf8+ Bxf8 23. Nxd5 Nd7 24. Nc7 Rb8 25. Ba7 Bc5+ 26. Bxc5
Nxc5 27. Re1 Nxd3 28. cxd3 Bd7 29. a5 Bb5 30. Nxb5 axb5 31. Re7 Ra8 32. Rxb7
Rxa5 33. Kf2 Kf8 34. Ke3 Ke8 35. Kd4 Ra4+ 36. Ke5 Rg4 37. Ke6 Rg6+ 38. Kf5 Rxg2
39. h4 Rh2 40. Kg5 Rxb2 41. h5 Rg2+ 42. Kf6 Rh2 43. Ke6 Rxh5 *
Position (FEN): 4k3/1R6/4K3/1p5r/8/3P4/8/8 w - - 0 44
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1255
Best move: Rb8#