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Subject: Re: WCCC 1999 Pairings

Author: Dave Gomboc

Date: 16:17:28 06/09/99

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On June 09, 1999 at 09:33:44, Robert Hyatt wrote:

>Take a look at 1977's event.  Take the initial seeding and then pair both ways.
>Don and others have written programs to simulate this...  I did it several years
>ago when this came up in an event, just to see what happens.  And what it does
>is move the 'final round' up a round or two.  Which is not bad, but it is
>_totally_ unnecessary.

I will have to come up with a crosstable to do this.  Also I am interested in
seeing how last year's WMCCC looked after seven rounds.

>And if they end up doing this for the first two rounds (not uncommon) it can
>really upset things.

>Again, if you think about 'why'... it is to get the better players together
>earlier when you have way too few rounds to get a clear 1.  With 32 teams and
>7 rounds, there are _already_ two extra rounds beyond that which is needed to
>find number 1.  Which means this:
>
>with one extra round, we get a good idea on 2,3 4 finishers also.  With 2
>extra rounds, the first 8 places are pretty accurate.  Accelerating the
>pairings loses this last case, because the first round doesn't do the
>same thing as the remaining rounds...

Don Beal took into account simulations that Don Dailey did, and also competitor
input when he drafted the current rules, which stipulated _non_-accelerated
pairings, so I think that is what will happen now.

Dave



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