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Subject: Re: CH-system with few participants

Author: Ingo Althofer

Date: 10:52:04 07/11/04

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On July 11, 2004 at 13:40:05, Volker Richey wrote:

>
>>Round 10:
>>1. The Crazy Bishop - Junior
>>2. FIBChess         - Shredder
>>3. Fritz            - Diep
>>4. Crafty           - ParSOS
>>5. Jonny            - Deep Sjeng
>>6. Woodpusher 1997  - Falcon
>>7. IsiChess         - Movei
>
>
>Why?
>
>1. The Crazy Bishop - Junior
>2. FIBChess         - Shredder
>
>And not:
>1. ParSOS - Junior
>2. Falcon - Shredder ???

That happens when there is a CH system for a tournament
with only few participants. The program has to take into
account all participants and only the ones with most points.

Pairings would look more "appropriate" in some "relaxed CH", for instance:
in the last third of the tournament participants with less then
33 percent of the points are allowed to play more than once against
the same opponent.

But in Ramat-Gan they play normal CH.
It may even be that also in the last round none of your two
wish-pairings will happen.

Ingo Althofer.




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