Tag Archives: ALS boomerang

Sudokuwiki Gets a Second Chance


In a second updated review post on KrazyDad v.4, b.8, n.5 , Andrew Stuart’s Sudokuwiki solver gets the clue that the ALS boomerang left unresolved, and finishes the solution, with more instructive moves. You get a shot at that unusual … Continue reading

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KD Insane 485 Introduces the ALS Boomerang


This post is about the update of the 9/24/13 post on KrazyDad Insane v4, b8, n5. An unrecognized type of ANL found by Andrew Stuart’s Sudokuwiki solver is accorded a spotting technique, and a name suggesting the technique. When the … Continue reading

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4X5 Holds Off LPO for a Pattern Trial


The KrazyDad Insane review now ends with another puzzle that frustrates Sudokuwiki, and drives me to a pattern trial. Fortunately the situation calls for the Limited Pattern Overlay process that I passed up in the update of Insane 495. LPO … Continue reading

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A Boomer Inspired Pattern Trial in 495


In the original review, KrazyDad Insane 495 was an example of Limited Pattern Overlay, but eluded a decisive solution by LPO. In this update, Stuart’s Sudokuwiki “runs out of known strategies”, but makes some spectacular plays, including an ALS boomerang … Continue reading

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