Tag Archives: KrazyDad Insane

The Insane 455 Pink/Olive Pattern Trial


This post reports on the updated KrazyDad Insane still at its posted date of August 20, 2013, but now updated to continue the introduction of pattern slicing, or pink/olive pattern analysis, by showing how it leads to decisive trials when … Continue reading

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Books 3 and 4 In the KD Insane Review


Welcome to 2019 Systematic Sudoku. This post continues on the updated KrazyDad v4 review, with KD Insane 435 and 445. This is a brief report on what you’ll find in the updated posts of August 2013. The review update begins … Continue reading

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An Insane Review is Completed


This post checkpoints the finish of the tenth and last review puzzle of the  KrazyDad Insane collection on http://www.krazydad.com.  I also have a summary table for comparison with previously reviewed collections, and some observations about this excellent collection.  My hat’s … Continue reading

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Grinding Down Insane 495 with LPO Coloring


In this concluding post on Insane 495, one of two clusters is expanded by several means, including color LPO and a nice loop, merging clusters and reaching a point where an easy trial color wraps it up.  Insane 495 is  … Continue reading

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LPO Lettering on Insane 495


Advanced methods are exhausted on Insane 495 as I review the Insane collection on http://www.krazydad.com.  Basic solving results were reported on the previous post. This post demonstrates a new combination of LPO pattern slicing and pattern conflict analysis that gets … Continue reading

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KD Insane 485 One Clue Better


Here is a second view of the ANL with slink chain terminals 9r2c9 and the 9 group of the ALS. At least one of the terminals is true.  The value group is true. If it is false, the other terminal … Continue reading

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Insane 455 Colors With Pink Olive Crayons


This post explores a relationship between pattern slicing and Medusa coloring, and develops a trial based on this relationship. After extreme resistance to advanced methods, KD Insane v4 b5 n5 falls prey to a coloring cluster generated by a strong … Continue reading

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