Tag Archives: Not-both trial

Definitely Extreme 304


This post encounters what seems to be a monster in Castillo’s Only Extreme 304. A stingy basic leaves a near monster cloud of candidates resistant to the ordinary advanced repertoire. Following a theme of this review, a small coloring cluster … Continue reading

Posted in Extreme Solving, Puzzle Reviews | Tagged , , , | Leave a comment

Only Extreme 132 Is Cut From the Extreme Team


Another example of expansion of a limited coloring network via the not-both test on an AIC slink. It’s an extreme tactic that need only be tried as a last resort. While the expansion does work in OnEx 132, it is … Continue reading

Posted in Extreme Solving, Puzzle Reviews | Tagged , , , , , , , | Leave a comment

Cluster Extension by Not-Both Trials


In this post and the next, the first puzzle of the Manuel Castillo Only Extreme Sudoku review, Only Extreme 3,  is taken ahead of the review of his Only Hard Sudoku. The reason is in the title. Rounding out the … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , , , , , , , , | Leave a comment