Author: Renze Steenhuisen
Date: 07:07:55 03/14/05
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On March 14, 2005 at 10:05:24, Robert Hyatt wrote: >On March 14, 2005 at 09:32:55, Renze Steenhuisen wrote: > >>Hi all, >> >>can anyone tell me whether there has ever been a study on the actual needed >>aspiration window sizes? The only thing I am only reading is that "it is common >>knowledge" and "it is known" concerning Aspiration Windows. And Crafty is using >>0.40*PAWN_VALUE because it seemed to perform best. But is there actual data >>somewhere? >> >>Cheers! >> >>Renze > > >That is "actual data". Take your program, and try different values, over a >large test set of positions. Find the range that produces the greatest average >search depth for the test set. It will vary for each program, since the >evaluation functions can produce wildly variable scores... So, there is nothing being published whatsoever? No actual data anywhere? I can imagine that the test results are different when other time constrains are given. Actually, I know for sure... but that wasn't the question.
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