Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 e6 4. dxe6 Bxe6 5. Nf3 Nc6 6. Bb5 Bc5 7. O-O O-O 8.
h3 Nd4 9. d3 a6 10. Ba4 b5 11. Bb3 Nxb3 12. axb3 c6 13. Bg5 Be7 14. Ne5 Qc7 15.
Re1 h6 16. Bh4 Rfe8 17. Bg3 Bd6 18. Qf3 Bd5 19. Nxd5 Nxd5 20. Ng4 Bxg3 21. Qxg3
Qxg3 22. fxg3 Nb4 23. Rxe8+ Rxe8 24. Kf1 Ra8 25. Ne5 Nxc2 26. Rc1 Nd4 27. Nxc6
Nxc6 28. Rxc6 a5 29. Ke2 a4 30. bxa4 Rxa4 31. Ke3 Rb4 32. Rc2 Rb3 33. Ke4 g6
34. g4 Kg7 35. d4 Kf6 36. d5 Ke7 37. Rc7+ Ke8 38. Rc2 Ke7 39. Rc7+ Kd8 40. Rxf7
Rxb2 41. d6 Rxg2 42. Kd5 Rd2+ 43. Kc6 b4 *
Position (FEN): 3k4/5R2/2KP2pp/8/1p4P1/7P/3r4/8 w - - 0 44
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1230
Best move: Rf8#