Monthly Archives: April 2018

Strmckr’s Double Common ALS_XZ

Posted on April 24, 2018 by Sudent

This post translates an instructive example from “strmckr”, an expert forum contributor, and adds some observations about double common ALS_XZ.  Then Sudent comments on some Sudoku history that Strmckr included with his example. In his comments on the April 10 … Continue reading →

Posted in Advanced Solving, Expert Reviews | Tagged , , , , , , | 1 Comment

An ALS Toxic Set Update

Posted on April 17, 2018 by Sudent

This post reviews Sysudoku history on the problem of spotting ALS toxic sets, and presents the updated  recommendation in the ALS Toxic Set page just completed for the Guide.  This spotting process, to be referred to here as ALS partnering, … Continue reading →

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

A WXYZ vs. BARN Settlement

Posted on April 10, 2018 by Sudent

In this post, progress is reported on the Sysudoku Guide, and on  a possible territorial agreement between the WXYZ wing and the Bent family. The Guide, that link up there on the menu bar, is taken shape. The Basic pages … Continue reading →

Posted in Advanced Solving, Expert Reviews, Hanson | Tagged , , , , , | 4 Comments

Departing Highlights on Bean’s Extremely Hard Sudoku

Posted on April 3, 2018 by Sudent

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