Tag Archives: unique rectangle

Suset Jelly in nrc Space


Here we work through an advanced supersymmetry example from The Hidden Logic of Sudoku, without the symmetries.  The humanly practical tools of Sysudoku are entirely adequate to the task. The theme of this review is that the burdensome emulation SudoRules, … Continue reading

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Longo’s Nastiest Ever Collection


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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Advanced Solving with Arnold


This post reviews the 54 pages of Arnold Snyder’s Sudoku Formula 3 devoted to advanced solving techniques. These are sandwiched between 35 pages that repeat his Sudoku Formula 2, and 19 pages on how to get the solution by arbitrary … Continue reading

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Revisiting Wex 435


This post updates the Weekly Extreme Review with a revisit of Wex 435, a puzzle that proved resistant to the single alternate Sue de Coq and was deemed the toughest in the review series, inspiring an extreme ALS trial, the … Continue reading

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Gordonian UR-ology


This post continues a review of advanced instruction in Peter Gordon’s Guide to Solving Sudoku, by explaining why unique rectangle methods need not be renamed “Gordonian rectangles”, and why you can’t count on Gordon’s Guide to make you an expert … Continue reading

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Shortz’ Trickiest Bewares?


This post reports a second  review of a Will Shortz “Beware! Very Challenging” collection, this one from his Trickiest Sudoku.   When the first review of this series, presented as Shortz’ hardest,  revealed the Bewares to be at the sysudokie basic … Continue reading

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Stephens’ Extremes Snaps III


This post finishes the  snapshots of significant solving events from Extreme review puzzles found in Paul Stephens’ books Mastering Sudoku Week by Week, and Sudoku Addict Workbook.   In the last post, we left Addicts 138 with removals you could follow … Continue reading

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