Articles

Introducing Chains and Links
Chaining Strategies are fundamental to solving tougher strategies and here I introduce chains and how to build them
Escargot
The original 'world's toughest Sudoku' and a short explanation of why this solver still can't solve the puzzle
The Arto Inkala Sudoku
Possibly the latest 'untimate puzzle', created by Arto Inkala. This sparked some ideas about measuring the extremely difficult puzzles.
The Relative Incidence of Sudoku Strategies
Some raw data on how often each strategies is used
The 17 Clue 'Proof' - my take on the January 2012 computerised exhaustive search proof that there can be no 16-clue Sudoku puzzle.
Generalizing Sudoku Strategies
I introduce a paper by Kevin Gromley, talking about a set thoery approach to Sudoku Strategies. March 2014
Crooks Algorithm
My response to Crooks Algoritm pointing out that is doesn't explain anything at all.

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Article created on 17-July-2014. Views: 957
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