Author: Uri Blass
Date: 13:36:59 09/05/02
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On September 05, 2002 at 13:43:56, David Terry wrote: >Please excuse my ignorance but I was hoping someone could help explain how a >chess playing engine handles the middle game. It is my understanding that the >opening game is handled by moves in an opening book. The endgame by the use of >tablebases. However I haven't heard anything as to how an engine handles the >middle game. My only guess is that it reads from a database hoping to find a >similar position and play that. Is this true or am I way off? Would having a >larger stronger database make an engine stronger? > >Thanks for any comments, >Dave You are way off. It may be theoretically possible to use database to look for similiar positions in order to decide about evaluation and extensions before doing the search but I know no program that does it. programs simply use search in the middlegame and also the endgame. programs can play endgames without tablebases and tablebases are only for a small minority of the endgames. Uri
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