How to Solve a Sudoku

Here you can find different techniques for solving Sudoku both manually or with a computer.

Solve Sudoku Manually

• General tips on solving Sudoku manually
• Crosshatching or scanning, a simple but efficient method
• Search for nearly full entities
• Multi Step Logic
• Pairs of Numbers
• Patterns
• A Sudoku solved step by step

Solve Suodkus with a Computer

• Backtracking, programmer's the swiss army knife.
• Dancing Links (DLX), an intelligent way of doing backtracking.