Tag Archives: simple 1-way

Heine’s ultrahardcore 1 Starts the Review of Left Pages


This post whittles on a tough grid, duplicating results of the two solvers by different means. When the solvers stall, we find a Single Alternate Sue de Coq for readers to try. Sysudoku Basic brings four clues and  slinks, but … Continue reading

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KrazyDad Super-Tougn 515 Starts a Review Update


This post begins the update review of the Super-Tough collection available on krazydad.com with volume 5, book 1, number 5. The Super tough collection was first reviewed in March 2013, but that was one of the first reviews on Sysudoku, … Continue reading

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The Complex 1-Way in AIC Building


This post is about an AIC building option offered by Philip Beeby’s PhilsFolly.com solver, and how and where it is best applied in DIY solving.  Here we refer to this solver as Beeby and this technique as complex 1-way.  Complex … Continue reading

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