Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 d6 3. e3 Nbd7 4. Nd2 e5 5. Bg3 exd4 6. exd4 Be7 7. Bd3 O-O 8.
Ngf3 Re8 9. c3 Bf8+ 10. Be2 Nb6 11. Qc2 h6 12. Qd3 Qe7 13. Kd1 Bf5 14. Qxf5
Qxe2+ 15. Kc1 Qe6 16. Qxe6 Rxe6 17. Kc2 Rae8 18. b3 g5 19. h3 Bg7 20. Nc4 Nxc4
21. bxc4 b6 22. d5 Re2+ 23. Kb3 Nh5 24. Nd4 Bxd4 25. cxd4 Nxg3 26. fxg3 Rxg2
27. g4 Ree2 28. Kb4 a6 29. a4 Re3 30. Rab1 Rgg3 31. Rb2 Rxh3 32. Rxh3 Rxh3 33.
Re2 Kf8 34. a5 Rh4 35. axb6 cxb6 36. Ra2 a5+ 37. Kb5 Rxg4 38. Kxb6 Rxd4 39.
Rxa5 Rxc4 40. Ra8+ Kg7 41. Rd8 Rd4 42. Rxd6 g4 43. Kc5 Rd1 44. Rb6 g3 45. Rb2
Rd3 46. d6 Kf8 47. Kc6 Ke8 *
Position (FEN): 4k3/5p2/2KP3p/8/8/3r2p1/1R6/8 w - - 3 48
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1294
Best move: Rb8#