Author: Michael Henderson
Date: 13:56:33 09/04/04
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On September 04, 2004 at 07:01:05, Uri Blass wrote: >On September 03, 2004 at 22:55:43, Robert Hyatt wrote: > >>On September 03, 2004 at 19:38:52, Jarkko Pesonen wrote: >> >>>did Kramnik win after Ne3. >>> >>>I modified crafty so that if there are 10 checks by one side in a row >>>it evaluetes the position as draw. >>> >>>Is there some limit in your opinion that would be realistic where >>>there could be more checks(10 or more in a row) in real game which is >>>not a DRAW >> >>There is probably a workable idea buried in there somewhere. IE maybe not just >>dropping the score to zero, but after N consecutive checks start reducing the >>eval to encourage a non-checking move if it is possible, else let it reach zero >>pretty quickly... > >I do something similiar but I think that programs that use hash for pruning may >have problems with it because it means evaluation dependent in the path >and it may return almost draw score for position not because it is a draw but >because of some non optimal line that it searched. > >Using draw score also can cause similiar problems for the same reason. > >Uri > >Uri What programs don't use hash for pruning or when don't they use pruning?
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