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Re: [Bug-gnubg] RE:Why is odd ply equity always lower?

From: Joern Thyssen
Subject: Re: [Bug-gnubg] RE:Why is odd ply equity always lower?
Date: Fri, 13 Jun 2003 11:55:59 +0000
User-agent: Mutt/1.4.1i

On Fri, Jun 13, 2003 at 11:16:05AM +1200, Joseph Heled wrote
> Ingenious. If true, this is a general argument that applies to all bots.

Yes, indeed.

> I would like to repeat my personal view that bots play well not because 
> they get the absolute equity right, but despite it. A bot chooses well 
> between several positions. This applies both to play and doubling. 

Why does it applies to doubles? I would think that we needed accurate
equities for cube decisions, both doubles and takes.

Hmm, it's because a 2-ply cube decision is really comparing doubling now
with doubling next time, so it doesn't matter if some of the equities
are wrong? Still if some of the 0-ply equities at the 2-ply leaf nodes
are overestimated, we may overestimate the number of market losers,
hence, we double to early?


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