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Subject: Re: Anand FIDE World Champion: Anand-Shirov 3,5-0,5

Author: Amir Ban

Date: 07:08:44 12/25/00

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On December 24, 2000 at 13:11:49, Christophe Theron wrote:

>On December 24, 2000 at 09:09:27, Jeroen Noomen wrote:
>
>>My congratulations to Vishy Anand, for winning the
>>FIDE World Championship 2000!
>>
>>3,5-0,5 in the final against Shirov, that leaves no
>>discussion whatsoever. Anand was the best, remained
>>unbeaten and scored a clear victory in the final.
>>Well done!
>>
>>Jeroen
>
>
>I am still absolutely amazed that a World Championship can be decided this way.
>
>A score of 3.5-0.5 is not statistically significant, not even with a low
>confidence.
>
>It is now clear, at least amongst the experienced computers chess operators,
>that such a result means NOTHING.
>
>I think that the computer chess community is on some topics much more advanced
>than the human chess community. For example the human chess community has
>adopted the ELO rating system, but still ignores most of the basic rules of this
>system (margin of error, level of confidence). The computer chess community is
>aware of these rules, and you can find these parameters published in the SSDF
>rating list for example.
>
>
>
>    Christophe

Chess games are not random events.

You failed to do the math: 3.5-0.5 *is* significant, with about 95% confidence.

I noticed another statistic which *is* significant: It's always the bad results
that are not significant. The good ones are accepted without question.

Amir





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