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Subject: Re: Chess Engine evaluation question

Author: Robert Hyatt

Date: 07:56:51 12/01/03

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On December 01, 2003 at 00:35:26, Les Fernandez wrote:

>Anyone have any idea what the percentage is for a chess engine after say 90 sec
>of analysis that one of the top 5 suggested moves is in fact the best move?  And
>what percent of the time would you guess that after an additional 90 sec that an
>alternate move is found and that it was not one of the top 5 choices after the
>first 90 seconds?  And finally can crafty when it is done with its analysis
>report the top 5 highest rated moves and if not what engine can do that?
>
>Thanks,
>
>Les


1.  If you use the annotate command, Crafty can show you the N best
moves, scores, and PVs.

2.  Lots of evidence has shown that in roughly 1/6 of the cases, going
a ply deeper will cause a program to change its mind and choose a different
move from the last iteration.



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