Computer Chess Club Archives




Subject: Re: Time control legend

Author: Dave Gomboc

Date: 07:40:52 05/15/98

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On May 14, 1998 at 08:57:46, Vincent Diepeveen wrote:

>... could be true. This means [Fritz] simply has no knowledge about what
>to exchange. This is also the big weak point of Rebel.
>Ed schroeder states here that he is relying on leaf evaluation.
>In that case, rebel doesn't have code about what pieces to
>Main point is that you may not evaluate the exchanges. You should
>look to the material that you keep afterwards. So the resulting
>I dunno why Rebel+Fritz+genius and some others
>are so horrible in these exchanges, but my first guess was piece square
>tables. Now i say: perhaps mobility is a reason too.
>The common thing of all these programs compared to Crafty, Zarkov, Diep
>and some others is that they lack mobility terms.

Crafty only has mobility for bishops at this point.  I think Ferret is
not using a general mobility term either, if I recall correctly.  The
trend has been to move away from measuring mobility (well or badly), not
toward it.

Dave Gomboc

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