Tag Archives: LM skyscraper

A KDST 595 Hidden Weakness

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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Lite Coloring Informs a UHC 399 Trial

In one post, the 10th ultrahardcore review puzzle is wrapped, but not without an introduction of something new in Systematic Sudoku. Ordinarily advanced steps begin in line marking, and lite coloring is introduced. In line marking Stefan Heine’s ultrahardcore 399, … Continue reading

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