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Subject: Re: GCP's new ECM (39 disagreeable positions pounded @2000 seconds...)

Author: Gian-Carlo Pascutto

Date: 07:49:45 09/20/01

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On September 20, 2001 at 10:34:55, Uri Blass wrote:

>I doubt if Diep has a better evaluation function that Goliath.
>searching less nodes per second does not mean better evaluation function.

Vincent will *love* to hear this ;)

>It does not happen but it also does not happen that a crappy positional program
>can play great chess.
>
>If you use only material evaluation you have no chance against the top programs
>even if you use the best hardware that is available against 386.

With only material, I'd doubt it. But piece-squares and very basic
passed pawns at 200Mnps should hold up vs. Rebel or whatever
you prefer on an 386sx16.

>>Sometimes the search will take ages to see something which is
>>'eval' in a positional program. But the connection is certainly
>>there.
>>
>>My program can solve several 'positional' positions from the Louget
>>II test set with a material-only eval, by just looking deep enough.
>
>My guess is that it is not going to solve most of the 3 positions that I posted.
>I guess that Be2 is the only position that may be an exception but it is going
>to need a very long time to see it by only material evaluation.

'Not going to solve' is a very broad statement. I say it will. I won't
say if it will finish before the universe collapses.

Tactics and positional evaluation are, in essence, the same for
a chessprogram and improving one will improve the other.

--
GCP



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