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Subject: Re: Preprocessor blues?

Author: Robert Hyatt

Date: 16:38:26 02/07/00

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On February 07, 2000 at 16:10:55, Ernst Walet wrote:

>I´ve seen some strange evaluation glitch in Shredder 4 with the following
>position.
>
>8/1K6/8/5k2/bR1P1r2/1n6/8/8 w - -
>
>Shredder wants to play Rxa4, score ply 9-14 about -1.2
>
>Make the move.
>
>Shredder wants to play Nxd4, score ply 9-14 about +4.71
>
>Make the move.
>
>Shredder wants to play Ra8, score ply 9-14 about -1.3
>
>
>Why such a different score after the first move?  Does Shredder much
>preprocessing?
>
>Ernst-J.


Looks like serious evaluation asymmetry...



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