Tag Archives: ALS chains

A Coloring Merge Overwhelms Heine’s ultrahardcore 223


Continuing from last week’s post, Beeby’s  parade of ALS chains merges the clusters and a near BUG (Bi-Value Universal Grave) wrap finishes UHC 223. Beeby does an ALS_12 with an aligned Z value group in r1 and a single Z … Continue reading

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Beeby Carries UHC 223 to a Second Cluster


This post reports how the Beeby solver comes to life after the Single Alternate Sue de Coq trial , and nibbles Heine’s ultrahardcore 223 to a second coloring cluster. Beeby notes the ANL isas a simple chain, but it’s AIC … Continue reading

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Beeby on Heine’s ultrahardcore 3


This post highlights several moves from Phillip Beeby’s solver, which are alternatives to those appearing in the five earlier posts on Stefan Heine’s ultrahardcore 3. One result is a solution without the second blue green trial, left as a project … 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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