1/25/2024 0 Comments Sudoku triples rule![]() ![]() ![]() If the 3-Cell Intersection of a Box with a Line (either a Row or a Column) is such that it contains a candidate value where that Intersection is the only place in either the Box or the Line where that value can go, it can be Rejected as a candidate from all cells not in the Intersection in both the Line and the Box.Ĭomplex Candidate Elimination (difficult to explain without pictures) ![]() This is the Only Value that can go in this Cell, because all other values are already present in one or more of the Constraint Regions of which this cell is a member.Ģ Cells in the same Constraint Region have their candidates drawn from a set of 2 values, each of which is represented at least once, therefore those 2 values are restricted to those 2 cells and can be eliminated as candidates from the other unsolved cells of that Constraint Region.ģ Cells in the same Constraint Region have their candidates drawn from a set of 3 values, each of which is represented at least once, therefore those 3 values are restricted to those 3 cells and can be eliminated as candidates from the other unsolved cells of that Constraint Region.Ĥ Cells in the same Constraint Region have their candidates drawn from a set of 4 values, each of which is represented at least once, therefore those 4 values are restricted to those 4 cells and can be eliminated as candidates from the other unsolved cells of that Constraint Region. This is the Only Spot (cell) in this Column that this Value can go without it being placed twice in a Box or Row. This is the Only Spot (cell) in this Row that this Value can go without it being placed twice in a Box or Column. This is the Only Spot (cell) in this Box that this Value can go without it being placed twice in a Row or Column. Featuring Intersect Reject and the Single & Multi Value Chains rules.ĭescription (Note: "Constraint Region" is my generic term for a 3x3 Box, Row or Column) Featuring all Novice Class rules, Locked Pairs & Triples, XY-Zap and the nx n Gridlock rules,ģ. Novice, Player, Expert, & Master for those classes.Ī picture is worth a thousand words! So after studying these Rules you might like to check out the Worked Examples in the following Tutorials:ġ. I, Greg Shalless, claim " Coining Rights" to the following terms for their use in relation to Sudoku puzzles: "Constraint Region", " nx n Gridlock", " XY-Zap", " Cluedoku", " SHD Rating", the classification of puzzles according to the most complex Solving Rule required to solve them and the names Underlined Rules are Links to pictorial examples in the Tutorials. Sudoku-Help+ Solving Rules With these Rules alone, you will be able to solve over 99% of all published Sudoku puzzles. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |