Monthly Archives: January 2016

The Nastiest Ever Party II

Posted on January 26, 2016 by Sudent

This post displays some sysudokie snapshots from Nastiest 618, 640 and 651, The bv scan rules, with line marked fish, unique rectangles, Sue de Coq, XYZ-wings, and XY-chains.  A  Sysudoku technique formerly rated extreme gets to stop for a drink. … Continue reading →

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Longo’s Nastiest Ever Collection

Posted on January 19, 2016 by Sudent

This post begins the review of Frank Longo’s The Nastiest Sudoku Book Ever with a  review table and  solving highlights of two review puzzles, Nastiest 607 and 629. The original post was revised to correct errors found by my backup … Continue reading →

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Hodoku ALS Death Blossoms

Posted on January 12, 2016 by Sudent

This post finishes the review of Bernhard Hobinger’s Hodoku, with his Death Blossom page, featuring two insightful examples. The Sysudoku diagrams are followed by a summary of the site evaluations and Sysudoku lessons learned from this extensive site. I began … Continue reading →

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Hodoku ALS Chains

Posted on January 5, 2016 by Sudent

This post explains the Hodoku ALS wing and chain as special ALS node AIC ANL with toxic set groups defined by ALS nodes. This is how they should be constructed, so as to leave the mind’s door open for more … Continue reading →

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