Author: Jorge Pichard
Date: 18:55:38 03/14/01
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... > > I will have to dig the article where Joel Stated that he played five practice games and won 3 games, played with strategical squeezes. > 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
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