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Subject: Re: An idea: Offensive and defensive mobility

Author: Chesster Fritz

Date: 10:20:35 02/06/04

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On February 06, 2004 at 12:02:02, Thorsten Czub wrote:

>IMO the problem is not the many evaluations you could invent, the problem is
>that the SEARCH says: we prune this position because of XYZ reason.
>and suddenly you could have the bEST ideas, the program will not see it.
>
>Take the game CSTAL Shredder, the reason is: why has shredder not seen Bxh6 ?
>it was pruned away !
>because shredder thought: it is not working.
>
>WHY did it think it is not working: because it saw no sense in the moves.
>when the moves came on board, and shredder was unable to PRUNE,
>it saw the problem. with evaluations !
>
>so you should IMO not invent one evaluation after the other, and instead think
>how search and score works together such that those cases do not happen.

Thank You for borrowing my idea, i.e. *Pruned*; BTW Shredder Never thought Bxh6
was any good even after ...15. gh 16. Qxh6, even after a 22 ply search it gave a
score of -1.07 for Black!




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