Monthly Archives: July 2022

Sysudoku Home Page

Posted on July 19, 2022 by Sudent

Systematic Sudoku (Sysudoku) is a human engineered way to solve Sudoku puzzles, and provides graphic and completely documented examples and collection reviews at all levels. Diagrams and tables that aid solving are demonstrated.  Over 500 weekly posts give complete examples … Continue reading →

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Closing With the Hidden Dublex

Posted on July 12, 2022 by Sudent

This closing post adds two examples of a fierce looking line marking being de-fanged by hidden dublex on the over abundant X values A double line exclusion, or dublex, is one of the primary moves of Basic sudoku, in which … Continue reading →

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Bring Your Boxline for Extreme Hard 1505

Posted on July 5, 2022 by Sudent

I was closing down the weekly posts with a set of scroll down basic level puzzles, when I got another collection book , 3000 more “very hard to extreme “, for Adult puzzles. I did a few from the extreme … Continue reading →

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