Monthly Archives: June 2018

Two More Basic Losses for the World’s Hardest


This post presents the review table, and basic traces of 46 and 188, two of the top rated ten puzzles of The World’s Hardest Sudoku Book. The puzzles were displayed on the last post. These two don’t make it to … Continue reading

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An Untyped UR Rattles World’s Hardest 188


The review of World’s Hardest Sudoku continues with a quick dispatch of puzzle 188 by a unique rectangle and straightforward coloring. The UR fails its type category, but the examination uncovers an almost accidental chain interpreted after the fact as … Continue reading

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Coloring Wrings Out World’s Hardest 102


World’s 102 starts without ‘1’ givens and with two 3-fill lines. It winds up in a coloring trap expansion into a wrap. Basic makes progress in all three phases.               Making a hasty bv … Continue reading

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World’s Hardest Sudoku 65


Not really hardest, but entertaining. World’s Hardest Sudoku 65 has a UR challenge, a UPE, a finned swordfish, an AIC ANL, and a very different color wrap. It’s also a few cells short of a multiple solution. Basics are moderate, … Continue reading

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