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Subject: Re: History Heuristic

Author: Vincent Diepeveen

Date: 07:09:48 08/29/00

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On August 28, 2000 at 19:32:05, Larry Griffiths wrote:

History heuristic doesn't work for diep. If i use it, then diep
needs about 10% to 20% nodes more.

>I have been reading about the History Heuristic and have seen pro's and con's
>about it.
>
>I plan on implementing it to see what happens.  This heuristic is related to
>killer moves and uses the from and to squares in a 64 x 64 array to maintain
>history information when moves are bestmoves or cutoffs.  Each entry has 2 to
>the depth power added to it when a bestmove or cutoff is found.
>
>Would you recommend the History Heuristic, and has anything changed for the
>better with the method described above?
>
>Thanks in advance.
>
>Larry.



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