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Topic: An old chess board problem with a TWIST
Message: Posted by: Nir Dahan (Aug 27, 2007 09:50AM)
We probably all know the famous problem of attempting to cover with 31 2x1 domino stones a chess board which 2 of its corners (on the same diagonal) were removed.
This is an easy enough puzzle.

A much more difficult problem is can you prove it is possible/or not possible to cover ANY chess board with 31 2x1 domino stones of which 2 squares of OPPOSITE colors were removed?

N.
Message: Posted by: Nir Dahan (Aug 28, 2007 04:42AM)
Hint: look at the title of the post - this will help a bit...