Expert Sudoku Solver

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Entries Tagged as 'Sudoku Solver'

Simple Sudoku Exposed!

October 12th, 2009 No Comments

Once upon a time, way back before the vacation period began, I promised you a series on how to use Angus Johnson’s fantastic Simple Sudoku on the PC as a tool to help you learn how to play sudoku.
Well, it’s a bit rough round the edges, but here is the first fruit of that promise. [...]

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Are you learning how to play sudoku?

July 5th, 2009 No Comments

A quick post today. I just added a poll on the right to see if Expert Sudoku Solver is really doing what is needed to help you learn how to play sudoku.
Don’t be shy, let us all know where you are up to. The poll can be taken completely anonymously

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Sudoku Techniques (Part 4) Box – Box interactions

June 22nd, 2009 4 Comments

The last technique we looked at can be extended slightly as candidates are exposed more clearly across the grid. In fact there are going to be times when we can’t directly find a new given in a box but we can limit the possibilities for our candidates so that they form a new “line” of [...]

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Sudoku Techniques (Part 3) – Box and Line Interactions

June 19th, 2009 No Comments

Before we get onto the next technique, I have an apology to make. I set you on an impossible task at the end of the last post, suggesting that there might be a hidden single in 2,7 which of course was complete nonsense! Oh well….my long road to being an “expert” sudoku solver just got [...]

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Sudoku Techniques (Part 2) – Hidden Singles

June 17th, 2009 No Comments

Today’s sudoku technique follows on closely from the previous one and still counts as an easy hint for a sudoku solver. Here, we are still looking for singles but in this case they have become “hidden singles”. All this means in real terms, is that the single has other candidates in the cell alongside it.

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