Techniques For Solving Sudoku

 Sudoku is a puzzle involving logic – no arithmetic or guessing is required! The basic idea of completing puzzles is to find cells (the small squares) where you are sure that only one value is a valid placement. If you’ve not played Sudoku before, take a look at our guide to how to start. Below are the most common techniques you can use once you’ve covered the basics.

Easy Techniques

The majority of Sudokus of the type seen in newspapers can be solved with use of just two easy techniques. Computer programs that assist players can make these kinds of puzzles very quick to solve, because they help to make it obvious where the next placement can be.

Pencilmarks

Most paper-and-pencil Sudoku players tend to come up with their own systems to help them complete the grids. Very few players complete puzzles only by writing in the final numbers!