## Sudoku Help - Guide ChoiceHere's a page from the extensive help system for Sudoku Dragon. It is available as a help screen when running the program. To get the full picture Download our Sudoku Dragon and see the screen in its proper context. If you would like help in learning the basics of Sudoku or using the Sudoku Dragon puzzle solver we have created a number of step by step guides. The list gives a brief description of all the available guides, simply select the tutorial from the list and press Topics include : - How to solve a puzzle with Sudoku Dragon.
- Using the alternate pair allocation rule.
- Marking possibilities with Sudoku Dragon.
- Using the only square allocation rule.
- Using the only choice allocation rule.
- Using the naked twin exclusion rule.
- Using the excluded sub-group rule.
- Using the hidden twin exclusion rule.
- Using the hook rule.
- Using the naked chain rule.
- Using the naked triplet exclusion rule.
- Using the X-Wing exclusion rule.
- Solving a gentle 4x4 puzzle step by step.
- Solving a gentle 9x9 puzzle step by step.
- Solving a moderate 9x9 puzzle step by step.
- Solving a complete moderate 9x9 puzzle step by step using the 2 out of 3 strategy.
There are tutorials on using the software, solving squares by the various Sudoku solution strategies and example puzzles that are solved step-by-step. - Running a Tutorial
**Choosing a Tutorial**
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