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Subject: Re: Improving the endgame of my engine

Author: Tord Romstad

Date: 02:27:43 04/08/04

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On April 08, 2004 at 04:51:01, Albert Bertilsson wrote:

>Hi!
>
>I'm about to start coding on my engine again and have thought about improving
>the endgame play. I don't like using egtb so I'm thinking about using special
>evaluation cases when there are few pieces left on the board. Is this a good
>idea or is special evaluation cases a dead end?

I think it is a good idea, but it is much more difficult than it first seems.
The problem is
that it is not enough to write evaluation code which enables your engine to play
some
specific class of endgames near-perfectly.  You also have to adjust the scores
in such
a way that they are reasonably consistent with the evaluation of similar
endgames with
a piece or two more.  When you add special cases for many different classes of
endgames,
keeping all the scores consistent quickly becomes a nightmare.

Tord



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