Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site cvl.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!whuxl!whuxlm!akgua!gatech!ut-sally!seismo!umcp-cs!cvl!eli From: eli@cvl.UUCP (Eli Liang) Newsgroups: net.games.chess Subject: Re: computer chess Message-ID: <1063@cvl.UUCP> Date: Fri, 20-Dec-85 10:47:36 EST Article-I.D.: cvl.1063 Posted: Fri Dec 20 10:47:36 1985 Date-Received: Sun, 22-Dec-85 01:22:52 EST References: <3199@hplabsb.UUCP> <623@oakhill.UUCP> Reply-To: eli@cvl.UUCP (Eli Liang) Distribution: net Organization: Computer Vision Lab, U. of Maryland, College Park Lines: 38 In article <623@oakhill.UUCP> davet@oakhill.UUCP (Dave Trissel) writes: >In article <3199@hplabsb.UUCP> bl@hplabsb.UUCP (Bruce T. Lowerre) writes: >>In case you haven't seen it, there was an article in the October >>28 issue of Time about the latest computer chess machine, Hitech. >> >>The machine is currently rated at about 2250 which is master level >>but Hans feels its actual rating is about 2500. The machine will >>be entered in more turnaments to determine its actual rating and >>to find the level of player that can consistently beat it. In >>the mean time, its weaknesses are being patched. >> > >I find the 2500 claim a little hard to believe. As the ratings get higher >the more chess knowlege is required to be embedded in the program. (Just >examine how large the opening libraries have grown from year to year in the >best programs.) And, after leaving opening book the more chess knowlege >embedded in the evaluation algorithms the slower which means fewer moves >examined which leads to weak tactical play blundering. > >One obvious method of attack is to so specialize the program that it has >a well defined goal decided at the time of exit from the opening book. >But this would take a substantial effort and the results would still be >inflexible. Anyone know any details of Hans system? > >Skeptically - Dave Trissel {ihnp4,seismo}!ut-sally!im4u!oakhill!davet On the other hand, who would know better than a rated GM... Think Hitech beats Berliner at games? -eli -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Eli Liang --- University of Maryland Computer Vision Lab, (301) 454-4526 ARPA: eli@cvl, eli@lemuria, eli@mit-mc, eli@mit-prep CSNET: eli@cvl UUCP: {seismo,allegra,brl-bmd}!umcp-cs!cvl!eli