Author: Dann Corbit
Date: 12:05:36 01/18/06
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On January 18, 2006 at 14:39:40, Fernando Villegas wrote: >Some days ago I talked of knowledege to know which knowledge is irrelevant as a >probable feature of Rybka. And almost nobody answered or commented my post. >Surely it is an advantage to be a chess programmer in a site like this. Probably the only one who can answer correctly is the author. But you can look at some interesting generalizations. I have found that some evaluation terms add nothing either to the EPD solution count or the contest point gathering effectiveness of an engine. An example is queen mobility. I don't know of any logical reason why its computation should not help, but it doesn't. I have seen other chess engine authors come to the same conclusion. So there can be a case where you add this wonderful knowledge term that makes your engine smarter and have better chess insight. But when you compute it and add it in to the overall score, the net effect is nothing except to slow the engine down.
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