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Re: Re: [Bug-gnubg] Gnu 2ply seems too optimistic

From: Massimiliano . Maini
Subject: Re: Re: [Bug-gnubg] Gnu 2ply seems too optimistic
Date: Wed, 8 Nov 2006 15:40:08 +0100

>There are other areas where it is much much worse. For example
>evaluating cube situations in containment games, I have positions
>(several), where the 2-ply might say No Double/take, and a rollout
>will say Too Good to Double/Pass.

That's well known, for some positions classes the neural net is not as good
as we'd like it to be.

But the positions reported by Mochy were wrong due to a recently introduced
(and more recently fixed) bug in the code, not in the nets. Fixing this
snothing (actually it's already done in the very latest source code), while
solving the issue of your positions is a much tougher task (not even
at the time).


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