Monthly Archives: February 2020

Sudokuwiki Ends Nakex 63 On Its Own

Posted on February 25, 2020 by Sudent

This post picks up on the Sudokuwiki/Sysudoku resolution of Nakamoto Extreme 63 where it was overtaken by pattern analysis and coloring, and finishes it in two ways, one humanly practical and one not. Sudokuwiki doesn’t maintain coloring clusters between moves, … Continue reading →

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Mixed Solutions on Nakamoto Extreme 63

Posted on February 18, 2020 by Sudent

This post reports Sudokuwiki AIC building in Nakex 63, until it is overtaken by pattern analysis and coloring. The solver’s path is continued in the following post. Nakex 63 basic is tough, despite a productive bypass.     The first … Continue reading →

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Nakamoto Extreme 43 Redefines Sysudoku Extreme

Posted on February 11, 2020 by Sudent

This post recounts another AIC building project of 15 boomerangs, Nakamoto Extreme 43. The Nakamoto Extreme collection justifies the ‘extreme’ label by possibly exhausting the time and patience of a human solver.  Let’s say, if a puzzle justifies a trial … Continue reading →

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Sudokuwiki Reaches Its Digit Forcing Chain

Posted on February 4, 2020 by Sudent

This post illustrates the power of coloring to employ the strong link network, and again rejects Andrew Stuart’s Digit Forcing Chains?. The post bypasses the Nakamoto Extreme 23 coloring wrap of the previous post, and follows Sudokuwiki AIC building  to … Continue reading →

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