Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. Be2 Nf6 6. Nc3 e6 7. Bf4 Bd6 8.
Bxd6 Qxd6 9. O-O O-O 10. h3 Bh5 11. Ne5 Bxe2 12. Qxe2 Nc6 13. Nxc6 bxc6 14. Qe5
Qxe5 15. dxe5 Nd7 16. f4 c5 17. Rad1 Rab8 18. b3 Nb6 19. Nb5 a6 20. Nd6 c4 21.
f5 cxb3 22. axb3 Nd7 23. fxe6 fxe6 24. Rfe1 Rf4 25. Re3 Rbf8 26. c4 dxc4 27.
bxc4 Nc5 28. Rde1 a5 29. Ra1 a4 30. Rg3 g6 31. Rd1 Ra8 32. Ra3 Ra6 33. Rb1 Kg7
34. Rb8 Kh6 35. Kh2 Rd4 36. Kg3 Nd3 37. h4 Nxe5 38. Rb7 Nxc4 39. Nxc4 Rxc4 40.
Rf3 Rc8 41. Rff7 Rh8 42. Kh3 a3 43. g4 g5 *
Position (FEN): 7r/1R3R1p/r3p2k/6p1/6PP/p6K/8/8 w - - 0 44
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1615
Best move: Rf6#