Solving Techniques

From Sudoku Theory

This page is for Classic Sudoku solving techniques. For Variants, see Variant Solving Techniques. The techniques listed here will usually apply when variant constraints are present, but the ways the variants interact with these techniques will change depending on the specific constraint.

Logical Solving Techniques

(Really, all the techniques on this page are "logical" from a certain point of view.)

Uniqueness Techniques

Other Techniques