Author: Robert Hyatt
Date: 19:45:26 03/14/01
Go up one level in this thread
On March 14, 2001 at 21:55:38, Jorge Pichard wrote: >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. > That sounds like something he did when he _started_ working on the DB project. The DB that played Kasparov used to beat him soundly, in his words... He played _hundreds_ of games against it, not just 5... >> 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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