Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bg5 Qa5 5. Bxf6 exf6 6. Nf3 g6 7. Qd2 Bg7 8.
Ne2 Qxd2+ 9. Nxd2 O-O 10. g3 Nd7 11. Bg2 b6 12. O-O Bb7 13. c4 Rad8 14. b4 a6
15. a4 Bh6 16. Rfd1 Bg7 17. f4 c5 18. bxc5 dxc5 19. d5 f5 20. e5 Nb8 21. d6
Bxg2 22. Kxg2 Nc6 23. Nc3 f6 24. Nf3 fxe5 25. fxe5 Nd4 26. Nxd4 cxd4 27. Rxd4
Bxe5 28. Rd3 Bxc3 29. Rxc3 Rxd6 30. Rb1 Rc8 31. Rcb3 Rxc4 32. Rxb6 Rxb6 33.
Rxb6 Rxa4 34. Rb7 Ra2+ 35. Kf3 a5 36. Kf4 Rxh2 37. Ra7 Ra2 38. Kg5 Ra3 39. Kf6
h5 40. Kxg6 f4 *
Position (FEN): 6k1/R7/6K1/p6p/5p2/r5P1/8/8 w - - 0 41
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1277
Best move: Ra8#