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Techniques Overview

Apparently, there are three types of Sudoku strategy and each strategy have a number of techniques available for Solving Sudoku Puzzles. The following are the types of Sudoku strategy:

Basic Strategies     Fishy Strategies     Advanced Strategies  
1. Single Candidate
  1. X-Wing   1. Single chains
2. Hidden Singles   2. Swordfish   2. Multi-colouring
3. Hidden Pairs   3. Jellyfish   3. Y-Wing pattern
4. Hidden Triples       4. Remote Pairs
5. Hidden Quads       5. Unique Rectangles
6. Locked Candidates        
7. Naked Pairs        
8. Naked Triples        
9. Naked Quads        

Copyright © 2007
Written by Ko Chung Wong