Category Archives: Hobiger

Hodoku ALS Death Blossoms


This post finishes the review of Bernhard Hobinger’s Hodoku, with his Death Blossom page, featuring two insightful examples. The Sysudoku diagrams are followed by a summary of the site evaluations and Sysudoku lessons learned from this extensive site. I began … Continue reading

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Hodoku ALS Chains


This post explains the Hodoku ALS wing and chain as special ALS node AIC ANL with toxic set groups defined by ALS nodes. This is how they should be constructed, so as to leave the mind’s door open for more … Continue reading

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Hodoku ALS-XZ


For your after Christmas Sudoku fix, this post is about Hodoku’s ALS-XZ, a label favored by most writers. I prefer the term ALS toxic sets, associating the method with others by the goal of identifying a set of candidates guaranteed … Continue reading

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Hodoku Franken Fish


This post proposes a spotting technique for Franken Fish, based on the Hodoku’s Mutant Jellyfish example cited earlier in this review. It also shows how Sysudoku fish analysis techniques apply to Franken fish. Finally it reports how pattern analysis surpasses … 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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