Monthly Archives: August 2017

Cluster Extension by Not-Both Trials

Posted on August 29, 2017 by Sudent

In this post and the next, the first puzzle of the Manuel Castillo Only Extreme Sudoku review, Only Extreme 3,  is taken ahead of the review of his Only Hard Sudoku. The reason is in the title. Rounding out the … Continue reading →

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Badger’s Advanced Sudoku

Posted on August 22, 2017 by Sudent

This post highlights David Badger’s two advance puzzles in the Sudoku 1001 Hard Puzzles sysudokie review, both starting with the almost nice loops to be found along the XY railway. In 301, the black XY ANL removes two 7’s, and … Continue reading →

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David Badger’s 1001 Hard Sudoki

Posted on August 15, 2017 by Sudent

David Badger, a prolific composer of giant grid Sudoku puzzles, now has a giant book of 1001 standard size puzzles, self rated as “hard”. The publication date, listed in the back,  is June 17, 2017. Here is the standard Sysudoku … Continue reading →

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A Bifurcated Coloring of the AIC Slink

Posted on August 8, 2017 by Sudent

In this post, the AIC slink produces an alternative solution of a puzzle originally solved by a rather extreme pattern coloring analysis. This solution demonstrates how the AIC Slink enhances the already powerful technique of Medusa coloring. The July 11 … Continue reading →

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Two of Rebecca Bean’s Less Extreme

Posted on August 1, 2017 by Sudent

Here the Rebecca Bean Extremely Hard review closes with a line marking finish and an easy coloring. The collection is far from extremely hard, if the sample of 12 pre-selected for this review is typical. On the way to line … Continue reading →

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