These Sudoku tricks and strategies are the methods used by Kevin Rush, an expert-level Sudoku player. As an example of his skill, Kevin is able to solve "insane" (6-star difficulty) Sudoku puzzles in 8-10 minutes. Thank you for sharing these wonderful Sudoku instructions, Kevin! The instr...
Here is a real example and explanation of solving Sudoku puzzles by “thinking ahead.” In the screenshot shown below, the bottom left square has only two empty spaces, and we know based on the numbers that are already visible that the two remaining numbers are 6 and 9. Looking to the ...
Koch, T.: Rapid mathematical programming or how to solve sudoku puzzles in a few seconds. In: Haasis, H.-D., Kopfer, H., Schönberger, J. (eds.) Operations Research Proceedings 2005, pp. 21–26 (2006)Koch, T.: Rapid mathematical programming or how to solve sudoku puzzles in a ...
There must be a link between each pair of nodes in a Nice Loop. For two nodes to be linked, they must be peers. The type of link plays an important role. A strong link can be used for strong or weak inference, but a weak link can only be used for weak inference. Hence, there ...
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Introduce sudoku solving technique : The ALS-XY-Wing rule is a solving technique that uses three Almost Locked Sets.
fromallbackgroundsarefindingthatSudokuisagreatwaytokeeptheirmindactiveandthinking.Puzzlesrangeallthewayfromeasyforthebeginnertoextremelydifficultforthemoreadvancedpuzzler.Sudokuiseasytotakewithyouwhereveryougosothatyoucanindulgeinalittlebitofnumberguessingwheneveryouhaveafewspareminutes.Sudokuiseasytolearnandunderstand...
This program doesn't just solve Sudoku and Killer Sudoku puzzles - it teachesyouhow to solve them. From complete beginner to expert, the program will teach you new techniques for solving puzzles at every difficulty level. Click on the image for more screenshots ...
Sudoku puzzles aren’t always as easy as the demonstration above, so here are few tips to help you deal with more difficult puzzles: 1) Use a pencil when solving Sudoku puzzles If you are completing a Sudoku puzzle that is on paper, use a pencil. That way, you can rub out any mistak...
Let’s start with a nice easy puzzle made up with 4 mini-grids of 4 squares each. At Activity Village these puzzles are RED and look like this:To do this Sudoku you must make every column, row and mini-grid con-tain the numbers 1, 2, 3 and 4 - one of each. There is only ...