Monthly Archives: July 2021

A KDST 595 Hidden Weakness

Posted on July 27, 2021 by Sudent

In KrazyDad SuperTough v.5, b.9, n.5, an almost naked triple is concealed, awaiting a single elimination. It’s not something reasonable to search for, but two systematic constructions get you there. An otherwise anemic bypass fills the NorthEast box, but slink … Continue reading →

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KDST 585 Favors the Bypass and Coloring

Posted on July 20, 2021 by Sudent

In spite of a big bypass, Krazydad Super-Tough v.5, b.8, #5 requires some work. An extensive XY railroad looks good, but a comparison with Medusa coloring favors the latter. This brings an opportunity to show unusual coloring resolutions, one involving … Continue reading →

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KDST 575 Highlights Box Marking

Posted on July 13, 2021 by Sudent

Box marking gets to shine in the redo of Super-Tough, volume 5, book 7, #5. Here is the grid after the relatively modest bypass. The fill strings show where 4-fills were examined, but only one was found. In this snapshot, … Continue reading →

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Super-Tough 565 Wrapped Twice

Posted on July 6, 2021 by Sudent

In this post, KrazyDad Super-Tough v.5, b.6, #5 survives a wrap of one coloring cluster, only to fall to a second. The bypass starts with two 3-fills, one resolved. Then in line marking, there’s an outbreak of naked pairs. Here … Continue reading →

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