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Subject: Re: Wanted: Deep Blue vs. today's top programs recap

Author: Uri Blass

Date: 15:19:04 08/26/01

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On August 26, 2001 at 17:33:47, Rajen Gupta wrote:

>On August 25, 2001 at 20:47:44, Mig Greengard wrote:
>
>>Sorry to dredge this up yet again, and ignore this rather than turn it into a
>>flame war or something worse. I know feelings on this topic can run hot.
>>
>>Although we do not have enough of Deep Blue's games to make anywhere near an
>>accurate assessment of its chess strength, I am requesting a summary of thoughts
>>on how today's top programs measure up on a science level. In the past I've seen
>>some admirably objective breakdowns on this topic from Bob Hyatt and a few
>>others, but did not save them.
>>
>>Put Deep Fritz, or other top programs, on the best available platform on which
>>they can run, and I imagine this is what they will have in Bahrain, and knowing
>>what we do about DB, what comparisons can we make?
>>
>>Subjective arguments (chess knowledge in particular) are also welcome, but
>>should be concise as opposed to argumentative!
>>
>>Thanks, Mig
>>
>>Editor-in-chief
>>http://www.kasparovchess.com
>
>hi mig; i think deep blue searching 200 million positions per second vs deep
>fritz searching at most 3-4 million would clobber the hell out of deep fritz any
>day(or night) the hardware is one factor in the equation and i think the
>software was at least as good as what the best programmer of the day could
>produce(ie fritz5; cm 5000 level)
>
>imagine fritz 5 or cm 5555 running on hardware that is 40 times as powerful vs
>deep fritz.  it would be a no contest.
>
>rajen

I guess that you did not analyze Deeper blue logfiles.
I did some analysis of them and my impression based on the analysis that I did
is that Deeper blue is only 2 or 3 times faster than Deep Fritz on P800.

The idea was to compare the times that Deeper blue got it's main line and the
time that the top programs get the same beginning of the main line when you give
the top programs some hours.

In most cases it is impossible because we do not have similiar main lines but
there are some cases when there are similiar main lines.

I did not anlayze most of the positions from kasparov-deeper blue match so I am
practically sure that you can find more cases of similiar main lines and the
question is if other programs are faster or slower in finding the similiar main
lines.

pavel told me here that he is interested to help.

If other people are interested to help in this task then they can send me an
email and I am going to tell them positions to analyze with top programs.

Uri



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