Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bf5 5. Bd3 Bxd3 6. Qxd3 Nf6 7. O-O Be7 8.
Re1 O-O 9. Nc3 c6 10. Ne5 Nbd7 11. f4 a6 12. Ne2 Ne4 13. Ng3 f5 14. c4 Bb4 15.
Re2 g6 16. cxd5 cxd5 17. Qb3 Nxe5 18. dxe5 Bc5+ 19. Be3 Bxe3+ 20. Rxe3 b5 21.
Nxe4 fxe4 22. Rxe4 Qb6+ 23. Kh1 Kg7 24. Rd4 Rfd8 25. Rad1 Qc5 26. Rxd5 Rxd5 27.
Qxd5 Qxd5 28. Rxd5 Rc8 29. h3 Rc1+ 30. Kh2 Rc2 31. e6 Kf6 32. Rd6 a5 33. Ra6 a4
34. Kg3 Rxb2 35. Kf3 Rxa2 36. g4 b4 37. f5 gxf5 38. gxf5 b3 39. Ra7 b2 40. Rb7
Ra3+ 41. Kf4 Rb3 *
Position (FEN): 8/1R5p/4Pk2/5P2/p4K2/1r5P/1p6/8 w - - 4 42
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1258
Best move: Rf7#