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Subject: Re: An interesting commentary by GM Gulko

Author: Sune Fischer

Date: 11:07:18 03/20/02

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On March 20, 2002 at 13:58:35, Gian-Carlo Pascutto wrote:

>On March 20, 2002 at 13:50:47, Sune Fischer wrote:
>
>>It is not the limit, chess is finite so you can never reach an infinite elo
>>because you simply can't win them all.
>
>This was refuted earlier in the thread, i.e. in the case
>of deterministic players.  (like chessprograms!)

Not really, see there was a trap built into it :)
They are in fact playing the _same_ game over and over, so it should only counts
as one I think :)


Anyway, thought about the limited set, and I figure, that if A beats B 2 out of
2 games, and B has a rating of 1500, then we should give A a rating that would
give A a 50% chance of scoring 2 of 2 against B, this is all we can really say
since we have no idea of how the third game will end. This means A should have
probability 0.7071 of a win. I don't have the formula in front of me, but it's
probably something like 1650.

But hey, I'm not a mathematician, so I could be wrong :)

-S.


>--
>GCP



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