Category Archives: Gordon

Peter Gordon in Mensa Guide

Cycling Blindfolded with the Guide

Posted on January 20, 2015 by Sudent

This post calls out Gordon Guide misguidance related to coloring, slink chains and the XY chain. AIC fundamentals are omitted in favor of ineffectual strategy and renaming of well known AIC formations. First, lets checkpoint the basic solving of the … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon, Sudoku Toolware | Tagged , , , , , , , | Leave a comment

Wings and Chains With the Gordon Guide

Posted on January 13, 2015 by Sudent

This post reviews the Chapter 9 of Peter Gordon’s Sudoku Guide, entitled Forcing Chains and Grid Coloring. The guidance is very limited, and what there is, promotes guessing as opposed to solving by logic. This verdict is confirmed in the … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , , , | Leave a comment

Extended Gordonian Overreach

Posted on December 30, 2014 by Sudent

In this blog, the Gordon Guide’s deceptive attempts to promote Gordonian logic are further exposed. The renaming of extended unique rectangles, and the introduction of a purported new method, the Gordonian Rectangle Wing, are debunked. While attributing extended unique rectangles … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , | Leave a comment

Plus and One-Sided Unique Polygons

Posted on December 23, 2014 by Sudent

In this post, the Gordon Guide’s Gordonian Polygons Plus and One-Sided Gordonian Polygons are shown to be variations of the unique polygon, defined here as a loop of cells, containing the same two numbers, which become a loop of conjugate … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , | Leave a comment

A Gordonian Fantasy

Posted on December 16, 2014 by Sudent

Here we spring a booby trap laid by the “definition by example” policy of the Peter Gordon Guide. It is the Gordonian Polygon, as demonstrated by his Guide to Solving Sudoku. The correct interpretation and application of the strategy are … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , , | Leave a comment

Gordonian UR-ology

Posted on December 9, 2014 by Sudent

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 →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , , , , | Leave a comment

The Peter Gordon Fishing Guide

Posted on December 2, 2014 by Sudent

We leave November and basic solving with a review of Peter Gordon’s advanced solving recommendations in his Mensa® Guide to Solving Sudoku, now re-issued as the PuzzleWright Guide etc. After a brief summary of the Guide’s general failings, this post … Continue reading →

Posted in Advanced Solving, Expert Reviews, Gordon | Tagged , , , , , , , | Leave a comment

Gordon’s Guide Basics

Posted on September 30, 2014 by Sudent

This post begins my review of an instruction manual, Peter Gordon’s Mensa® Guide to Solving Sudoku, and the associated puzzle collection the book contains, by Frank Longo. Basic solving is covered here, with advanced techniques and the puzzle collection review … Continue reading →

Posted in Basic Solving Procedures, Expert Reviews, Gordon | Tagged , , , , , , | 3 Comments