Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Bd3 c5 4. dxc5 Bxc5 5. exd5 exd5 6. Nf3 Nf6 7. O-O O-O 8.
h3 Nc6 9. c3 Re8 10. Bg5 h6 11. Bh4 Qd6 12. Nbd2 Ne4 13. Bxe4 dxe4 14. Re1 Bf5
15. Nc4 Qxd1 16. Raxd1 exf3 17. gxf3 Rxe1+ 18. Rxe1 Bxh3 19. Kh2 Be6 20. Nd2 g5
21. Bg3 f5 22. f4 Bxa2 23. b3 gxf4 24. Bxf4 Bxf2 25. Ra1 Bxb3 26. Nxb3 Re8 27.
Rf1 Re2 28. Kh3 Be3 29. Bd6 f4 30. Bxf4 Bxf4 31. Rxf4 Re3+ 32. Kg4 Rxc3 33. Nd2
Ne5+ 34. Kf5 Rc5 35. Kf6 Nd3 36. Rd4 Rc6+ 37. Kf5 Nc5 38. Nf3 Kg7 39. Ne5 Rf6+
40. Kg4 Ne6 41. Rd7+ Kf8 42. Rxb7 Rf4+ 43. Kh5 Rf5+ 44. Kxh6 Rxe5 45. Kg6 Ra5
46. Kf6 Nc5 *
Position (FEN): 5k2/pR6/5K2/r1n5/8/8/8/8 w - - 4 47
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1212
Best move: Rb8#