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Subject: Re: Some facts about Deep Thought / Deep Blue

Author: Miguel A. Ballicora

Date: 08:37:17 08/29/01

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On August 29, 2001 at 11:22:14, Uri Blass wrote:

>On August 29, 2001 at 09:33:08, Robert Hyatt wrote:
>
>>On August 29, 2001 at 08:29:28, Erkki Malkamaki wrote:
>>
>>
>>While the information is both good, and old, it won't help the argument.
>>A few are not going to let some facts get in their way when they want to
>>bash the machine or the "team" of developers...
>>
>>:(
>
>The only facts that can convince me is an anlaysis of the logfiles.
>
>Can you show me one main line of deeper blue
>that the best chess programs need many hours to get?
>
>My analysis suggest that deeper blue is 2-3 times faster than
>Deep Fritz pIII800 in finding some main lines.
>
>I am sure that if we analyze every position
>that Deeper blue pondered for some hours on fast PC we can find
>more positions when top programs find main lines that
>begin in the same moves as the main line of deeper blue.
>
>The interesting question is what is the speed ratio in these cases
>If the speed ratio is the same as the speed ratio that I found then
>it means that deeper blue is not strong.
>
>If in most of the cases when top programs find similiar main lines
>the speed ratio is at least 100 then it means that deeper blue
>was probably stronger then my impression.
>
>Unfortunately I found only one volunteer to help me to
>analyze the positions that deeper blue pondered and
>I am not going to use more than 20 hours of computer time
>per week to analyze.
>
>Uri

These threads generally I read them a little but then I give up.
Just because I do not understand the point of the discussion.
So, this is the first time I will put my nose where I shouldn't
In this case, what is your point or your hypothesis? is that Deep Blue was not
good? (I cannot believe anybody will mean that but apparently some do, I guess)
is that Deep Blue was as strong as todays engines in current hardware? what is
it specifically?

Regards,
Miguel



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