Author: Gian-Carlo Pascutto
Date: 16:24:34 03/11/00
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On March 11, 2000 at 15:03:58, John Coffey wrote: >I wonder how much benefit there would be to doing a dynamic exchange evaluation >on certain moves and just eliminating them from the search. Remove moves that >seem to obviously lose material. We might allow sacrifices at the base of the >tree and sacrifices that give check at any point. > >The benefit is that it would cut down on the size of the tree, and perhaps by a >great deal. The cost is that the program would be blind to many tactical >shots. >It would probably miss that a piece is pinned and cannot recapture. If we >could somehow keep track of pinned pieces then our dynamic exchange evaluator >could be programmed to not eliminate moves when pinned pieces are involved. This is often done in the quiescent search. Doing it in the main search however is dubious to say the least... -- GCP
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