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Subject: Re: Maximum ELO

Author: Peter Kappler

Date: 20:50:14 06/08/99

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On June 08, 1999 at 21:16:41, KarinsDad wrote:

>On June 08, 1999 at 20:20:49, Peter Kappler wrote:
>
>>On June 08, 1999 at 17:31:47, Christoph Fieberg wrote:
>>
>><snip>
>>>
>>>The gnawing question is: HOW HIGH IS THE MAXIMUM ELO NUMBER?
>>>
>>
>>I think this is an interesting question.
>>
>>Let's assume that Kasparov faced a computer opponent that played perfect chess -
>>i.e. it had the "ultimate tablebase".  :-)
>>
>>Would Garry lose every game, or could he draw some games against a perfect
>>opponent?  My guess is that the drawing margin in chess is large enough that
>>Kasparov would draw occasionally, but probably not more than 10% of the games.
>
>My guess is that he would loss them all since even he plays nowhere near perfect
>chess. Looking only 6 to 10 ply down (on average) means that he HAS to be making
>mistakes every game. They are just real subtle mistakes. And this can be
>illustrated by looking at Garry's endgames. Normally, he has an advantage
>walking into the endgame. But analyze his endgames where he does not have an
>advantage against a tablebase and you will see that he does not play perfect
>chess (or anywhere near).


There is no question that Garry makes mistakes in his games - I didn't mean to
imply that he is anywhere close to playing perfect chess.

The key question is how wide is the drawing margin in chess?  There are
countless material-down endings that are drawn, and we all have seen games where
one side has a nagging edge for the entire game but it isn't quite enough to
convert to a win.

>
>Garry playing against a perfect full game tablebase would be like me playing
>against Deep Blue. Not a contest. Ever.
>

I think the games would be interesting.  By no means would I expect them to all
be blowouts.

--Peter


>Just my guess...  :-)
>
>KarinsDad :)
>
>>
>>A 10% win expectance correlates to approximately a 400 point ELO rating
>>difference, and since Kasparov is ~2850 FIDE (after his recent victories) this
>>would mean the "perfect" chess player would have a rating of at least 3250.
>>
>>Just my guess...  :-)
>>
>>--Peter



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