Tag Archives: kraken analysis

Sysudoku for Unsolvabrights


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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Hodoku’s Multiple Fin Krakens


This post finds multiple fin kraken swordfish, with additional removals, where Hodoku overlooks kraken analysis. This prompts an examination of the Hodoku kraken fish examples in its Last Resorts section, which offer no guidance for human solving. The homework was … Continue reading

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Kraken Fish Invade Hodoku’s Pond


This post starts with a homework checkpoint on single fin kraken analysis, via the blank line tally and suset scratchpad. The homework demonstrates an essential technique for finned fish that is missing from Hodoku. Then these sysudokie techniques find additional … Continue reading

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Hodoku Goes Fishing


This post reviews Sysudoku techniques and tools for regular and finned fish, using them to enumerate the finned fish in a Hodoku Franken fish (boxes and lines) example. The introductory Hodoku Fish page describes the highly theoretical approach coded into … Continue reading

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Just One More “More Extreme”


This post concludes the Alary More Extreme review puzzles with More 144, Basic marking features a timely naked quad, and advanced solving is another parade of highlights. The basic trace classifies More Extreme 144 as a tough one. I would … Continue reading

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Hanson Finned Fishing with ALS


Here Bob Hanson’s technique of identifying finned fish through almost locked grids, as reported in Sudoku Assistant – Solving Techniques, is explained and recommended as part of the Sysudoku x-panel analysis. Kraken analysis, neglected by Hanson, is demonstrated to produce … Continue reading

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Stephens in the Library with a Laptop


This post continues with differences between sysudoku advanced solving and the Paul Stephens “extreme” order of battle.  In particular, the power of full Medusa coloring compared to Stephens’ limited multi-colouring. Let’s begin with a checkpoint for solve-along sysudokie readers.  In … Continue reading

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