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Subject: Re: Detecting three-fold repetition?

Author: Dan Andersson

Date: 16:06:23 07/17/00

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You know how to do a hash key. Now do a hash key based on the delta of every
pieces places from the last non reversible position. There are many ways to do
that, then just compare the hashes down to the non reversible position or do a
lookup, whatever.



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