Tag Archives: AIC hinge

The Logic of Aligned Triple AIC Hinges


This post takes on a challenge puzzle17 which follows the Figure 30.1 of the previous post, in Andrew Stuart’s The Logic of Sudoku.   That puzzle illustrated again the type of ANL in which the AIC hinge becomes one of the … Continue reading

Posted in Uncategorized | Tagged , , , , , | Leave a comment

Hidden XY Chains Are Reverse XY AIC


This post demonstrates that every hidden XY chain has a recognizable AIC counterpart on the normal grid, nrc space. That means it is not necessary, if you are AIC literate,  to generate and maintain the grid spaces in which hXY … Continue reading

Posted in Advanced Solving, Berthier, Expert Reviews | Tagged , , , , , | Leave a comment

Hodoku Nice Loop Mythology


This post dismisses the Stephens/Hobiger theory of cell links, propogation rules, and loop closing rules as unnecessary and overcomplicated. It uses the first two Hodoku AIC ANL examples to demonstrate the alternative Sysudoku chain construction process. As a blogger, one … Continue reading

Posted in Advanced Solving, Expert Reviews, Hobiger | Tagged , , , , , | Leave a comment

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

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

Dessert at the Colorful AIC Feast


Happy 4th!  Last post, on Maestro 49 of Fall 2009 we mixed coloring and AIC to good effect, and discovered the joys of the slink/wink color shortcut in AIC chains. We continue now with two clusters. The second, red/orange cluster … Continue reading

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