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Subject: Re: CH-system with few participants

Author: Graham Banks

Date: 22:36:56 07/11/04

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On July 11, 2004 at 15:07:01, Amir Ban wrote:

>On July 11, 2004 at 14:46:08, Jens Kahlenberg wrote:
>
>>On July 11, 2004 at 13:52:04, Ingo Althofer wrote:
>>
>>>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.
>>
>>
>>1. ParSOS           - Junior
>>2. Falcon           - Shredder
>>3. Jonny            - Fritz
>>4. Crafty           - Woodpusher 1997
>>5. The Crazy Bishop - Deep Sjeng
>>6. FIBChess         - Diep
>>7. IsiChess         - Movei
>>
>>Would be feasible pairings according to FIDE-rules for swiss pairing system
>>(Manila '92). I wonder what kind of tournament software is used in Ramat-Gan?!
>>Round 9 and especially round 7 were a little bit "ugly" too.
>>
>
>I agree. I think the pairing software give precedence to getting colors right.
>At this stage of the tournament this is utterly wrong priority. The leaders
>should get the strongest challenge that remains, and this is much more important
>than that say IsiChess get the right number of whites/blacks.
>
>Amir


Hi Amir,
what you say is quite reasonable, but a TD can't change the pairing rules mid
tournament.
All the best in your final games. Your program is very entertaining.
Graham.



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