Monthly Archives: March 2016

Castillo’s Only Hard Sudoku

Posted on March 29, 2016 by Sudent

This post concludes that Manual Castillo’s Only Hard Sudoku book is for those sysudokies who enjoy the bypass challenge, and are not expecting a to get to many advanced techniques. So many puzzle books, so little time. This relatively recent … Continue reading →

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The Exocet Chute Table on Unsolvable 186

Posted on March 22, 2016 by Sudent

This post illustrates a sysudokie human solver technique, the exocet chute lettering table, for the second time in the Unsolvable series. The method was applied to the double exocet of Unsolvable 181 in the post of February 18. Unsolvable 186 … Continue reading →

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Djape’s Hard Sudoku

Posted on March 15, 2016 by Sudent

This is a single post review of a book of very few words, Djape’s Hard Sudoku Book.   The book is a good size, the paper is good quality, and grids are clearly printed, with adequate margins. There’s no commentary inside, … Continue reading →

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Sysudoku for Unsolvabrights

Posted on March 8, 2016 by Sudent

In this post, two distinctly Sysudoku techniques have roles in a pattern trial of an Andrew Stuart Unsolvable, this time #183 of January 16, 2016. First, pattern (template) analysis on two numbers finds compatible partial patterns for a coloring trial. … Continue reading →

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Carol Vorderman’s Super Difficults

Posted on March 1, 2016 by Sudent

This post considers Carol Vorderman’s “difficult” collection as a practice field for the Sysudoku bypass. Carol’s tips for solving are described, and sysudokie homework on the walkthough “difficult” example is checkpointed. The review of Master Sudoku is concluded with Vorderman … Continue reading →

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