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Subject: Re: About diminishing returns (Uri)

Author: Robert Hyatt

Date: 17:01:12 11/22/01

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On November 22, 2001 at 14:06:37, Dan Andersson wrote:

>Don't forget Heinz paper that proves diminishing returns for Fritz in a
>self-play test. That is not what I call anecdotal.
>
>MvH Dan Andersson


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_.

A vs A is already an uninteresting test since the programs are essentially
identical except for search depth and nothing else.  Drawing conclusions about
how depth affects an engine by playing it against itself is not necessarily
going to say _anything_ about how a program will do with deeper depths against
_other_ opponents...

Monty ran an experiment (not self-play) that suggested that deeper depths are
_always_ better, at least thru 14-15 plies.  I trust that at _least_ as much
as A vs A testing.



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