Programming Sudoku

Programming Sudoku is a challenge for computer programmers. Could a little advice help you in creating your next masterpiece? Several programmers have contacted me in the last few years seeking advice on how to program Sudoku. I always advise them to read the book Programming Sudoku by Wei-Meng Lee. I have read the book and compiled the …

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Solve Hard Sudoku Puzzles In Less Time Using The Links Method

Hard Sudoku puzzles challenge the skills of Sudoku solvers. Many solvers pencil in candidates and look for common patterns in their puzzles. When they find these patterns such as naked pairs, triples, quads, x-wing, Swordfish, etc., they are able to determine which candidates can be removed safely. I have covered many of these techniques on …

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