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Subject: Re: How to evaluate KQ vs KR?

Author: Tord Romstad

Date: 02:05:40 05/06/04

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On May 05, 2004 at 15:42:20, Dieter Buerssner wrote:

>Tord already mentioned, that 4 looks too low. But when the position is already
>on the board, it won't matter at all. It will be enough, when all scores are
>positive (when the pos is won), and that they will be lower than scores for KQK
>(otherwise the engine might refuse to take the R). The scores should fit
>together with other scores of course. Probably one might want to have lower
>scores for KQKR than for KBNK, etc.

Yes.  This is a really big problem when writing specialized evaluation functions
for a big number of basic endgames.  It is not enough that the specialized evals
enable the engine to play each of the basic endgames well, the scores for
different endgames also need to be consistent with each other.

Tord



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