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Subject: Another statistical question on BGN match

Author: Larry Proffer

Date: 07:30:10 05/08/01


"Braingames explain their reasoning. "We made a simple decision. We wanted
programs which could play on multi-processor platforms as they are obviously
stronger candidates for the Kramnik match. There are really only three
candidates: Fritz, Junior and Shredder. We made great efforts to persuade
Shredder to play but they declined." They added that they unfortunately didn't
have time for a tournament with 10 programs which would have taken too long to
run. One of the main complainants was the company REBEL. Their TIGER program is
a single processor prgram yet still finished second in the Cadaques event run by
Prof. Irazoqui earlier in the year. They actually have a multi-processor version
called DEEP TIGER but that wasn't announced until after the invitations were
made."

Can any statistician answer if it isn't actually better (in terms of finding the
'best' comp-comp program), to increase the number of participants while playing
the same number of games?

It seems to my amateur mind that:

a) a participant increase actually decreases the effect of "A beats B, and B
beats C while C beats A" - in other words it reduces the effect of one program
being tuned (on purpose, or just happening that way) on another.

b) it decreases the effect that the 'objectively best' program, bu not actually
playing, can't possibly 'win' the tournament.





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