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Subject: Re: Comp vs Comp -- Comp vs Humans... I'm Puzzled (as usual)...

Author: blass uri

Date: 23:41:01 04/08/99

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On April 08, 1999 at 14:30:38, Chris Carson wrote:

>On April 08, 1999 at 12:44:50, Steven Schwartz wrote:
>
>>I know many of us believe that certain chess programs
>>perform better against humans than they do against
>>computers (and vice versa), but does anyone have any
>>actual objective evidence to this effect?
>>- Steve (ICD/Your Move)
>
>Just my opinion (and $100 will get a cup of coffee).
>
>Chess is chess.  No difference.

I agree that all programs are strong against humans but I do not agree that
there is no difference.

A program can be better against humans if it is using different evaluation
function when the opponent is in time trouble and does not allow him(her) to do
a draw by repetition even if the position is slightly better for the human.
It should not allow the opponent to simplify the position in this case.

This idea is not productive against computers.
another productive idea is not to play openint that humans are good against
computers.


>  Today's top programs
>on fast machines are top caliber players (several masters
>have posted as much here and GM's have written as much in
>Chess Life).  Most (Soltis is an exception, see latest Chess Life)
>strong players (master and above) use computers as study partners.
>
>In my opinion, Humans learn and adapt faster (unless stuborn)
>than a machine.  I have not seen any data that shows that a high rating
>in comp vs comp would not correspond to a high rating against humans
>(perhaps not exact, but close).  AGEON and other events show this as
>well, computers have done very well in these events.  Most GM's are
>scared to play a top program on a fast computer in public.
>
>Chess is 99% tactics.  Computers excell at this.  Both Human and Top
>programs have very extensive (good) opening book knowledge.  Both have
>good endgame knowledge (not true of programs in the 80's or before, but
>very true today).

I do not agree about good endgame knowledge.
I think that this is one of the main weaknesses of computers

I saw cases when top programs did the mistake of going to a lost pawn endgames.

They can do other mistakes in the endgame

examples: Anand won Rebel10 in the last game in the match because of a
positional mistake of Rebel in the endgame.

Fritz5.32 won Hiarcs7 in one of the games of the ssdf because of a bad game of
Hiarcs7 in the endgame.

Uri



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