Monthly Archives: September 2018

Logic Justifies Aligned Triple AIC Hinges

Posted on September 25, 2018 by Sudent

This post takes on a challenge puzzle 17 which follows the Figure 30.1 of the previous post, in Andrew Stuart’s The Logic of Sudoku.   A boomerang ANL shows why aligned triple candidates are eligible to be AIC hinge partners. Logic … Continue reading →

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

Fleshing Out Stuart’s ALS Node Figure 30.1

Posted on September 18, 2018 by Sudent

Andrew Stuart’s The Logic of Sudoku, in a chapter on Almost Locked Sets, presents an example of an ALS node in a confirming Almost Nice Loop, as Figure 30.1. This post fills in the solution, before and after the series … Continue reading →

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

Funster Extreme 130 Falls in Line Marking

Posted on September 11, 2018 by Sudent

The funster Extreme collection review closes here, with the early departure of the last pre-selected puzzle, Extreme 130. Charles Timmerman’s funster Hard to Extreme Sudoku includes 134 Hard, 134 Very Hard and 134 Extreme puzzles. Here is the Sysudoku review … Continue reading →

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

A funster Extreme 116 Labor Day Special

Posted on September 4, 2018 by Sudent

An effective bypass, and a simple uniqueness rectangle, and three choices to close down funster Extreme 116 early. Charles Timmerman’s funster Extreme collection is less than  extreme, but a good introduction to advanced solving methods. The basic work is easy, … Continue reading →

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