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Article #38

Re: computer chess

#38
From: Eli Liang
Date: Fri, 20 Dec 1985 15:47
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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
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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