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Subject: Re: Ponder in chess engines

Author: Bahram Namjou

Date: 13:14:59 02/19/06

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>Thanks Mike...so why this feature has not been implemented in new engines? so
>called "multiple permannet brain".  I thought that in pondering, the engine
>could evaluate similar to "infinite analysis" mode in which the best move
>gradually change according to depth of play ...Right now because mostly the
>predicted move is not correct, the pondering is not as efficient as we
>expect...regards, Bahram

Here is your mistaeke.

In most cases the pondering move is correct.

I agree that in case that the opponent use long time then after enough time of
pondering it is better to ponder about something else but it will be a mistake
to spend months of programming for better pondering that may do the engine less
than 5 elo better when it is possible to get bigger improvement by better search
or better evaluation.

Uri

Thanks uri...you must be right and obviously depends on the engine but usually
in slow games the predicted move are not as accurate as I thought even in those
engines that keep the hashtables between moves...regards, bn



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