Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. Nxe5 Nxe5
8. O-O d6 9. b3 Qf6 10. Nc3 Nf3+ 11. Bxf3 Qxc3 12. Rb1 Qf6 13. Bb2 Qg6 14. Bd4
Bb6 15. a4 O-O 16. Bxb6 axb6 17. Qd4 Bf5 18. Rbc1 Rab8 19. Rfe1 Rfe8 20. e4 Be6
21. g3 Bg4 22. Bg2 Qh5 23. f4 Bf3 24. Qd3 Bxg2 25. Kxg2 Qg6 26. Qf3 c6 27. Rcd1
Rbd8 28. Rd2 d5 29. cxd5 cxd5 30. e5 Qc6 31. Red1 Rd7 32. Rxd5 Rxd5 33. Qxd5
Kf8 34. Qxc6 bxc6 35. Rd7 Rb8 36. Rc7 c5 37. Kf3 Ke8 38. Ke4 Rd8 39. Ke3 Rd4
40. Rb7 Rb4 41. f5 Rxb3+ 42. Ke4 Rb4+ 43. Kd5 Rd4+ 44. Kc6 Rxa4 45. f6 gxf6 46.
exf6 Re4 *
Position (FEN): 4k3/1R3p1p/1pK2P2/2p5/4r3/6P1/7P/8 w - - 1 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1078
Best move: Rb8#