Category Archives: Puzzle Reviews

Reviews of preselected puzzles from published collections. Summary review table, and highlight analysis.

Departing Highlights on Bean’s Extremely Hard Sudoku


It’s time to wind up the volume 10 review, with a few highlights behind the review table. The first one is the very unusual basic trace of IV-12, the homework puzzle of the previous post. You have the characteristic Extremely … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , | Leave a comment

Bean Gets No Second Extreme


This post describes how I-41, in Extremely Hard v. 10 by Rebecca Bean comes close, but fails to force a deferred Single Alternate Sue de Coq trial. It does force a review of AIC hinges and grouped forcing chains. Here … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , | Leave a comment

Colorful Trials for Bean’s Extremely Hard v.10


This post calls on pattern directed coloring trials to solve IV-24, a puzzle in Rebecca Bean’s Extremely Hard, vol. 10. This one that seems to defy almost all advanced methods, and therefore, to deserve the rank of “extreme”. This also … Continue reading

Posted in Extreme Solving, Puzzle Reviews | Tagged , , , , | Leave a comment

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

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , , , , | Leave a comment

The Volume 10 Rebecca Bean Extremely Hard Sudoku


This post begins the second review of a Rebecca Bean collection, this one prompted by a clever cover, and similarities in format to recently reviewed collections attributed to Moito Publishing, A.D. Ardson and James D. Glover. Here we resolve Extremely … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , , , | Leave a comment

An Unexpected Challenge from TV Times


Sysudokie Sunday breakfasts were shaken up February 4 by the Sudoku in the TV Times, which unaccountably defied the bypass. Accustomed to dusting this one off as a warm up, many wound up with an unwelcomed cloud on the amply … Continue reading

Posted in Basic Solving Procedures, Puzzle Reviews | Tagged , | Leave a comment

Ardson’s Toughest, Even Slightly Diabolical, 310


This post fleshes out the review table entry, and checkpoints the two week homework assignment of the Ardson Sudoku Diabolical v.1. The early coloring typical of the review is helpful, but not decisive. In the bypass, the 3-fill menace is … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , , , | Leave a comment