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Subject: Re: Chess knowledge (eg: SOS)

Author: Dann Corbit

Date: 10:45:18 03/30/00

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On March 30, 2000 at 13:36:56, ujecrh wrote:

>
>It is surprising to see that different people can get a really different feeling
>about a given program (no blame, it is probably very difficult to evaluate
>positional understanding of an engine). For instance, look at the two following
>summaries:
>
>----------------
>from WCCC pages:
>SOS
>Rudolf Huber
>SOS is a program which focuses on calculating speed rather than programmed
>chess knowledge. Since its author is not a chess player, the strength of the
>program has to come from its speed to calculate the variations. Up to now SOS
>has never won against a program which calculates faster, however there are not
>too many of them. Still, the author believes that the above mentioned apprach to
>computer chess delivers the best playing strength per programming effort ratio.
>----------------
>from Franks's chess pages:
>SOS plays a very positional and agressive chess game, which makes it an
>interesting new addition to the winboard engines. The comprehensive amount of
>chessknowledge is used efficiently. In games at tournament time control it can
>beat anyone. A new favourite of mine.
>----------------
>
>Maybe it was two slightly different versions but it is still surprising. I used
>to think that the main gap between commercial chess engines and amateur ones was
>the amount of chess knowledge put into it (with some exception among commercial
>engines that are known as really fast searchers). Is that still true or is there
>any amateur engine that contains heavy chess knowledge ?

You might be surprised at the knowledge even in tiny chess engines.  Look at the
very clever eval code in Phalanx, for instance.

At any rate, I think Christophe Theron said it best -- the only real difference
between commercial chess programs and ameteur chess programs is effort.

To quote Van Cliburn, the famous pianist...
After a concert a woman walked up to him and said, "I would give anything to
play like you!"
"No you wouldn't." he replied.
"Yes I would..." she responded.
"No, you're wrong." He said, "You would not give 20 years of study and 4 hours
of practice each day, every day, for all of your life."

So it goes, with the quest for excellence.



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