Monthly Archives: May 2017

Another Look at Ardson Very Hard v.2 38


This post brings up an interesting question about the multiple solution puzzle: Does its ambiguity prevent strictly logical solving from reaching a solution? Introducing the first selected review puzzle of the A.D. Ardson Very Hard v.2 collection on April 11, … Continue reading

Posted in Advanced Solving | Tagged , , | 6 Comments

Ardson Very Hard v.2 198 and 238


The review of A.D. Ardson Very Hard Puzzles v.2 continues with Ardv2 198 and 238. The sysudokie resolution to 198 is a rerun of 158, but 238 is a classic remote pair example. Ardv2 198 barely escapes the bypass, but … Continue reading

Posted in Advanced Solving, Puzzle Reviews | Tagged , , , | 2 Comments

Ardson Very Hard v.2 158


After a one week pause, we continue the A.D. Ardson v.2 review with puzzle 158. If you don’t have your copy, just load one from the Calibri font givens here, and do your own solving. Then compare with this checkpoint. … Continue reading

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

Ardson Not So Hard Ardv2 118


Ardson Very Hard v.2 118 shows off the basic steps, but can’t quite dodge the consequences. A good Sudoku basic workout, and reminding us of the joys of basic solving. Here is the basic trace, completing box marking with a … Continue reading

Posted in Basic Solving Procedures, Puzzle Reviews | Tagged , , | Leave a comment