Tag Archives: line marking X-wing

PencilPress 65 and Master Class 90


This post continues the review of PencilPress Extreme Sudoku and the update of the review of Master Class Sudoku by Tom Sheldon. Each PencilPress bottom right seems to have its own little novelty.  Hopefully, you found the one coming up … Continue reading

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Almost Extreme Bean ExHdv10 II-29


Here we have a regular XYZ wing with two irregular victims, multiple coloring clusters and wraps, one, by an AIC almost nice loop. Rebecca Beam’s Extremely Hard v.10 II-29 is borderline extreme. Basic is tough, but routine.   Except for … Continue reading

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Gordon Guide Puzzle Review


This post reviews the collection of 700 Frank Longo puzzles following the text in the Gordon Guide to Solving Sudoku. A review table summarizes the Sysudoku rating of 10 preselected puzzles, and one advanced puzzle is analyzed in detail. The … Continue reading

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Pitkow’s Grand Master Sudoku


This is a short review of the GM section of Sudoku vol. 3 , by Xaq Pitkow, published by Chronicle Books.  The puzzles vary between basic and moderately advanced levels I pre-selected 10 GM and 25 Super GM puzzles for … Continue reading

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