Tag Archives: skyscraper

Extreme Stephens

This post completes my analysis of Paul Stephens advanced solving instruction in his current books, covering his “extreme” sections. Paul’s descriptions and examples are evaluated from the sysudoku perspective. Let’s start with another look at Paul’s preview for his Week … Continue reading

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Special X-chains

The “Special X-chains”  of the title are the names assigned to particular X-chains, like “skyscraper” and “2-string kite”.  You might think that it’s of value to look for them, but I disagree.  They just pop out at you when you … Continue reading

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