Tag Archives: near BUG

Funster Extreme 4 has a Near BUG


The review of the Extreme section of Charles Timmerman’s Funster Hard to Extreme Sudoku is underway, with Funster Extreme 4. Funx 4 has a near BUG, but it gets to the doctor early and takes Dr. Stuart’s medicine dutifully. An … Continue reading

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The Bypass 3-Fill Smacks Diabolical 350


This post starts with a trace of the merciless 3-fill pounding of Ardson’s Sudoku Diabolical 350 in the bypass. Highlight grids from adv2 110 and 190 then follow. The 3-fill brings on the unit fill phase of basic solving, when … Continue reading

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Coloring Bails Out Basic on III-34


In this last post of Moito’s Sudoku Road to Mastery, Basic drives the 0.91 rated III-34  into a near BUG blind alley with a flurry of subsets and boxlines, then hands off to coloring for a quick score. A tight … Continue reading

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Coloring Dominates Very Hard III-15


The review of Moito’s Road to Mastery Sudoku continues with another example of early coloring and its cooperative interactions with the X-panel. The advanced path is similar to that of Very Hard I-35 two posts back, but this time coloring … Continue reading

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THLS Limps In On Chains


This post identifies the conjugacy chain, the last fundamental chain type to be introduced in The Hidden Logic of Sudoku, as a weakened X-chain.  Since the last few chapters introduce extensions for XY chains, it becomes clear that THLS is … Continue reading

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