Expert Sudoku Solver » Naked Pairs

How to play sudoku – Part 4

martinp — Fri, 24 Jul 2009 15:23:10 +0000

Welcome back to this short series showing how to solve sudoku puzzles from beginning to end. At this point in the puzzle, we are starting to see several nearly complete houses and so we can either complete them or use them to “lock down” candidates that we can then eliminate from other boxes. In the [...]

Post from: Expert Sudoku Solver

How to play sudoku – Part 4

Sudoku Techniques (Part 5) – Naked Pairs

martinp — Wed, 24 Jun 2009 19:03:30 +0000

Today’s sudoku solving technique came as a revelation to me when I first saw it described. I am aware that I may have been using it unconsciously but it is completely obvious when you see it revealed. So then, one small step to helping you play sudoku more easily. This is called Naked Pairs. In [...]

Post from: Expert Sudoku Solver

Sudoku Techniques (Part 5) – Naked Pairs