Computer Chess Club Archives




Subject: Re: significant math

Author: Dan Andersson

Date: 01:00:20 11/20/02

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>Actually, at least for the case of Crafty and Yace, there is a good basis for
>comparison.  They are relatively equal in playing strength.  So any advantage in
>bitboards over arrays or vice-versa would seem to be _very_ minimal, which is
>what I have generally claimed for 32 bit machines...
The problem with that position are many. But one fundamental flaw is that they
may use different extension and pruning conditions. Thus they might look at
trees that are wildly different. And the rough equality of playing strength may
have no more than a tangential relation with whatever data representation is

MvH Dan Andersson

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