Author: José Antônio Fabiano Mendes
Date: 10:30:19 03/15/01
Go up one level in this thread
On March 14, 2001 at 21:43:37, Robert Hyatt wrote:
>On March 14, 2001 at 20:55:39, Jorge Pichard wrote:
>
>>On March 14, 2001 at 19:46:11, Sonja Tiede wrote:
>>
>>>Question to all Computerexperts:
>>>
>>>What is the playing strength of Deep Blue .. in comparison to
>>>common chess programs on pc's.
>>>
>>>
>>>S.T.
>>
>>Just because Deep Blue was able to beat Gary Kasparov, it was giving a very high
>>rating of over 2800, but in reality I don't think that Deep Fritz or Deep
>>Shredder are too far in playing capability in comparison to Deep Blue. I am not
>>comparing the calculating power of Deep Blue which is a parallel Super Computer
>>as you can read in detailin the next paragraph, but according to Joel Benjanmin
>>he played several games against Deep Blue and he was able to score 60% of the
>>games.
>
>Where did you see that? The only statement I ever saw Joel make was that
>when asked how he did against DB while working on the book, he said "it killed
>me badly" or something similar. This was at a press conference in NY during
>the second Kasparov match.
>
>I don't think _any_ GM scored 60% against the thing in any match ever played
>against it, or deep blue junior...
>
>
> Now if you take Joel Benjamin rating and compare it to Gary you will see
>>a tremendous difference, but he learned Deep Blue weakness and knew how to
>>control deep blue tactical edge, which is the reason why the deep Blue's team
>>never gave Kasparov any of Benjaming private testing games before the match,
>>whereas, deep Blue had a database of all kasparov previous games and opening
>>repertoires.
>>
>>
>>The latest iteration of the Deep Blue computer is a 32-node IBM RS/6000 SP
>>high-performance computer, which utilizes the new Power Two Super Chip
>>processors (P2SC). Each node of the SP employs a single microchannel card
>>containing 8 dedicated VLSI chess processors, for a total of 256 processors
>>working in tandem. Deep Blue's programming code is written in C and runs under
>>the AIX operating system. The net result is a scalable, highly parallel system
>>capable of calculating 100-200 billions moves within three minutes, which is the
>>time allotted to each player's move in classical chess.
>>
>>Improvements in this year's model
>>The most prominent improvement in Deep Blue is its speed. The computer is now
>>running on a faster system, the latest version of the RS/6000 SP, which employs
>>the Power Two Super Chip (P2SC) processors. "That will give us a factor of two
>>speed-up over the system that played last year," says Deep Blue developer Murray
>>Campbell. "And in chess programs, speed is very important. The faster you are,
>>the stronger you play."
>>
>>This means that Deep Blue will be able to examine and evaluate twice as many
>>chess positions per second than last year. Exactly how many? According to the
>>development team, Deep Blue will be able to explore 200,000,000 positions per
>>second. Incidentally, Garry Kasparov can examine approximately three positions
>>per second.
>>
>>Deep Blue's "chess knowledge" has been significantly enhanced over the past 12
>>months through the efforts of team consultant and international grandmaster Joel
>>Benjamin. Garry Kasparov is certainly a great chess player -- perhaps the
>>greatest in history -- but the new and improved Deep Blue offers a challenge
>>that even the world champion has yet to experience.
>>
>>Pichard
Please see:
http://www.chesscenter.com/bmco.html JAFM
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