SudoCue Users

I was having problems to save the progress of a game and then recover. Even if selecting "Save progress" option in the "save as" window, only the clues were saved. I have now found, that if I manually change the extension to .sdx, the progress is effectively saved, and can be rec...

This puzzle is published in the sample section of "Solving Sudoku" document by Michael Mepham. It´s rated tough, but even with the "diabolical" in the same section I was luckier. . . 1|9 . .|. . 8 6 . .|. 8 5|. 3 . . . 7|. 6 .|1 . . -----+-----+----- . 3 4|. 9 .|. . . . . .|5 . 4...