Tag Archives: cluster blocking pattern

Ultrahardcore 47 Pattern Trial


This post bypasses Sudokuwiki’s  forcing chain parade with a value pattern trial, strengthened by the Single Alternate Sue de Coq analysis of the last post.  One pattern is tried and fails, leaving a coloring cluster. When the trial of the … Continue reading

Posted in Extreme Solving, Heine | Tagged , , , , , , , | Leave a comment