Category Archives: Weekly Extreme

10 selected puzzles 426 -435 from the Weekly Extreme Competition

Revisiting Wex 435


This post updates the Weekly Extreme Review with a revisit of Wex 435, a puzzle that proved resistant to the single alternate Sue de Coq and was deemed the toughest in the review series, inspiring an extreme ALS trial, the … Continue reading

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Closing the Weekly Extreme Review


This is the final post of the Sysudoku WEC collection review. It opens with a checkpoint on the finish of a pink/olive pattern analysis and with it, Weekly Extreme Competition 435. A review table shows the features found in each … Continue reading

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The ALS Jump Ball


The last review puzzle from the Weekly Extreme Competition, Wex 435, evades the Sue de Coq to give us: a precaution about grouped forcing chains in XYZ-wings, a genuinely extreme patterns trial, and an obvious form of ALS trial to … Continue reading

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A Tracing Exercise with Wex 434


A careful marking session finishes Wex 434 in box marking! This surprising event demonstrates how 2-D depth first tracing fully exploits removals and confirmations. My first time through to a solution I considered Wex 434 among the most deserving of … Continue reading

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Two More Wex Join Sue’s Parade


In Weekly Extreme 432, a Sue de Coq shows some promising removals, but we never get there, because the verification trial solves the puzzle. After moderate basic solving in all three Sysudoku stages,     Wex 432 presents the Sue … Continue reading

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Wex 431 Slips by Sue, but is Caught


Finally a Weekly Extreme gets through the Sue de Coq gauntlet. Or so I thought. But after a joyful romp into XYZ-wing technique, and coloring aided by pattern analysis, I get to demonstrate instead another resource of my single alternative … Continue reading

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Wex 430 Bewitched by Sue de Coq


After putting up a decent fight in basic, Weekly Extreme 430 joins an embarrassingly long line of Weekly Extreme Competition puzzles defeated by the single alternate Sue de Coq, one my early advanced solving discoveries. This time it’s the verification … Continue reading

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