Author: Robert Hyatt
Date: 06:29:00 10/09/03
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On October 08, 2003 at 18:31:57, Francesco Di Tolla wrote: >On October 08, 2003 at 12:59:25, Robert Hyatt wrote: >>When you have a large population, you end up with lots of "sub-populations" >>with slight rating differences. IE most of the USCF players in Birmingham >>AL will never compete with players from Los Angeles. There might be some >>crossover in that LA players might play Houston TX players and they might >>the Birmingham players. But the larger the population, the more likely >>this skewing happens. With small populations it is likely everyone plays >>everyone (my 2 for example). > >You made an exmple of weakly mixing system where the time averages are not >equivalent to ensabmle averages, and only local equilibria are expected. I would suspect "time averages" are close. The entire world has gone to faster time controls. But the populations are definitely not completely homogeneous.
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