Tag Archives: David P. Bird

Bird’s JE Solution of Unsolvable 197

Posted on May 31, 2016 by Sudent

This post comments on David P. Bird’s Junior Exocet soutions of Unsolvables 190 and 197, posted in comments on Andrew Stuart’s Weekly Unsolvables page.  Bird describes his JE definition as a means of spotting exocet patterns.  However, it can  be … Continue reading →

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Completing CLEF for Unsolvable 197

Posted on May 24, 2016 by Sudent

This post notes how base candidate combinations of an exocet can be reduced in additional ways, then continues the exocet trials of Unsolvable 197 by means of Sysudoku Chute Lettering Exocet Filter.  This technique is, in part, a systematic way … Continue reading →

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The Sysudoku Cross Line Exocet Filter

Posted on April 26, 2016 by Sudent

This post introduces a human engineered filtering method for reducing  exocet trials, in number and complexity.  The method is designed to follow the Sysudoku Chute Lettering  technique  introduced previously in this series of posts on the Andrew Stuart Unsolvables .  … Continue reading →

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