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Subject: Re: hash table question

Author: Robert Hyatt

Date: 21:45:25 01/13/00

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On January 13, 2000 at 18:34:12, Landon Rabern wrote:

>Is it known what information is sufficient to garantee that a hash entry is
>describing the same board as another board hashed to the same value.  Like can I
>store a 64 bit int with all the pieces on the board and use this to test?  Or
>maybe I can use this 64-bit int and test the the from-to of the suggested move
>has the right pieces on them?
>
>Thanks,
>
>Landon W. Rabern


To "guarantee" a match, you need roughly 160 bits...  whatever it takes to
_exactly_ encode the board position.  :)



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