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Old 06-08-2014, 11:55 AM   #253
lightgiver
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Join Date: Apr 2008
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Lightbulb The Game


Quote:
The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. The eight queens puzzle is an example of the more general n-queens problem of placing n queens on an n×n chessboard, where solutions exist for all natural numbers n with the exception of n=2 or n=3...
http://en.wikipedia.org/wiki/Eight_queens_puzzle
http://www.davidicke.com/forum/showp...&postcount=676
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