Monthly Archives: June 2014

Sudoku Assistant Finds Locked Sets


This posts discloses several significant omissions in Hanson’s discussion of locked sets, including his examples, in the report, Sudoku Assistant – Solving Techniques. A subtle and sometimes bungled task in basic solving is the discovery of locked sets or subsets. … Continue reading

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Basic Hanson Homework


This post follows up on sysudokie homework comparing Bob Hanson’s basic solving with Sysudoku basic. In Sysudoku-ville, Bob’s illustrative puzzle of the last post doesn’t escape line marking. The left over hidden single N5 shows up where expected. No doubt … Continue reading

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Basic Solving With Bob Hanson


I start my review of Sudoku Assistant – Solving Techniques with the basic solving of Hanson’s Sudoku Assistant, introduced by last week’s post. Basic solving is defined as the process by which we complete the candidate grid, required for advanced … Continue reading

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Bob Hanson’s Sudoku Assistant


This post introduces my review of Bob Hanson’s web report on his remarkably constructed Sudoku Assistant solver. The report is on his St. Olaf University website page, and is titled Sudoku Assistant – Solving Techniques. This comparative analysis is not … Continue reading

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