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Subject: Re: Two of the Deep Blue moves protested by GM Kasparov

Author: Uri Blass

Date: 05:05:33 07/21/02

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On July 21, 2002 at 07:32:32, Geo Disher wrote:

>On July 19, 2002 at 15:32:05, Geo Disher wrote:
>
>>>
>>>So what?  Their scores didn't show any such thing.  The log showed that
>>>they liked Qb6 less each time they drove the search one ply deeper, until
>>>it got so low that axb5 had a higher score and they went with that.
>>>
>>OK it appears that no one has actually shown a current micro program that
>>evaluates axb5 over Qb6 (at least with twicking some settings).  I am going to
>>run my little 2.4ghz until it does (I hope).  It is currently very close using
>>Fritz 6.  It currently shows .97 for axb5 and 1.0 for Qb6.  It has been going
>>for only a few hours now and just like you said Blue did,  the two evals are
>>getting closer and closer the longer it thinks.  I know people have done this
>>before but maybe I can run this longer than some in the past using a faster
>>computer and get a different result.
>
>OK after 56 hours the evals are exactly the same .88 for axb5 and Qb6.
>Hopefully in another few days axb5 will surpass Qb6.

It is not clear if axb5 is better than Qb6.
I believe that it is not better.

Uri



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