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Subject: Re: How Do Chess Engines Avoid Closed & Locked Positions?

Author: Uri Blass

Date: 13:37:34 12/23/02

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On December 23, 2002 at 15:27:45, Bob Durrett wrote:

>On December 23, 2002 at 14:25:51, Dann Corbit wrote:
>
><snip>
>>
>>Chess engines do badly with closed positions.  They do worse with closed and
>>locked positions.  Hence, they try to avoid them.
>>
><snip>
>
>That "avoiding" is interesting because it seems to imply that there may be some
>form of recognition and adaptation in the chess engine.
>
>Alternatively, maybe it's inherent in the design of the search algorithms or the
>position evaluation software or both?
>
>For example, do closed and/or locked positions get a lower score?
>
>Bob D.

Not all authors try to avoid closed position.
Junior use symmetrical evaluation and the same for a lot of engines.

For computer-computer games there is no reason try to avoid closed positions.

Uri



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