Author: José Antônio Fabiano Mendes
Date: 10:04:50 03/15/01
Go up one level in this thread
On March 14, 2001 at 22:45:26, Robert Hyatt wrote: >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 reporter sitting next to me noticed Kasparov trying to suppress laughter when Tan mentioned Deep Blue's chess lessons with Joel Benjamin." Source: http://www.users.globalnet.co.uk/~sca/scainfo/luchan.htm JAFM >>>> >>>> >>>>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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