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In this sudoku
strategy collection we will take a look at another well known technique
called naked pairs. This can be a very
The Naked Pair strategy may be required
for the medium difficulty level puzzles. It is a little more advanced method
that you can
This method is also at times reffered to as the Disjoint Subset method. Also note that a naked pair can become whats called a Hidden Pair, if there are extra possible values available for those particular cells.
Naked pairs can often be found hiding as hidden pairs among other possible candidates. If two cells in a group contain the same two numbers or candidates there is a naked pair. You can than eliminate these candidates from all the other cells in that group.
Like all sudoku strategies one alone won't help you complete a puzzle, but effectively applying multiple techniques to your puzzle solving can get you through even the most difficult puzzle.
For more information about this topic or
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