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Subject: Re: About diminishing returns (Uri)

Author: Dan Andersson

Date: 18:26:37 11/22/01

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>It is anectodal from the perspective I gave...  namely that of playing
>A vs A (different depths) to extrapolate how A does at increasing depths
>against _anybody_.
>
I have to agree, but in its own context it would be called substantiated. The
context or contexts of the different points of your posting was, IMO ambiguous.
That's why i posted the factoid in return. I hope someone with more time in hand
makes a similar test, in regards to accuracy and reliability. Many obstacles to
generalisation to A B matches when A neq B exist. The internal definition of ply
is one. Different extensions strategies is another. Bugs that occur rarely but
wastes good play, or are a function of depth being a prime or generally a
function of depth ... etc. It might even be that diminished returns between two
different programs is dependent on too many factors to be measured reliably. One
criterion that ought to be fulfilled before trying to find diminishing returns
between two different programs. One that needs to be there, is that both
programs show diminishing return in self play testing. I cannot give a valid
reason right now. But I have a hunch that it might be an almost necessary
prerequisite. Any thoughts?

MvH Dan Andersson



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