Author: Vincent Diepeveen
Date: 21:29:00 06/09/04
Go up one level in this thread
On June 09, 2004 at 18:25:36, Dieter Buerssner wrote:
>On June 09, 2004 at 08:23:00, José de Jesús García Ruvalcaba wrote:
>
>>It actually implies that for any number of players, we can find swiss pairings
>>up to n-3 rounds (you may assume n is even, if n is odd it is sharper and up to
>>n-2 rounds). Of course I am assuming no dropouts from the tournament and other
>>irregularities.
>
>Do I understand you correctly, that this is independent of already played
>rounds, and however they were paired. Let me give an example with 14 players
>(a-n) and 8 or more rounds. Say the first seven rounds were (color and results
>etc. ignored):
>
>1: a-h b-i c-j d-k e-l f-m g-n
1-0 0-1 1-0 0-1 1-0 0-1 1-0 (which will be about first round result anyway)
>2: a-i b-j c-k d-l e-m f-n g-h
How can H play G in round 2?
Please show a possible result in round 1 that makes it possible.
Swiss pairing is a very complex system. There are very big books about it and
many analysis done. Average book is hundreds of pages about it.
Please show results with the pairings to proof *any* point.
Also you skip one of the most improtant things in swiss that's color
alternation, which is *crucial* for the pairing to be done correctly and forms a
huge problem. However it completely will make impossible many pairings and
reduce the possible pairing tree drastically.
>3: a-j b-k c-l d-m e-n f-h g-i
>4: a-k b-l c-m d-n e-h f-i g-j
>5: a-l b-m c-n d-h e-i f-j g-k
>6: a-m b-n c-h d-i e-j f-k g-l
>7: a-n b-h c-i d-j e-k f-l g-m
>8: ???
>
>Now, how do you pair the 8th round?
>Regards,
>Dieter
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