Computer Chess Club Archives




Subject: Re: Secrets of Rybka and Fruit from my point of view

Author: Stuart Cracraft

Date: 16:38:51 12/15/05

Go up one level in this thread

On December 15, 2005 at 19:18:37, Uri Blass wrote:
>I also agree and I never underestimated fruit's evaluation.
>It is possible that the main reason for it's superior evaluation is the idea of
>average between opening and endgame but it is fact that it has a superior

Really? Just the line from fruit:eval.c:

  eval = ((opening * (256 - phase)) + (endgame * phase)) / 256;

I find that VERY hard to believe. That concept has been around a
very long-time.

You must propose something better.

Superior evaluation?

That code is trivially small.

So, small is beautiful?

We need specifics. I see nothing special about Fruit 2.1 evaluation
to explain the strength.


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