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Subject: Re: S8 and Deep Position Analysis

Author: Stephen Ham

Date: 11:40:29 03/01/04

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On March 01, 2004 at 14:06:15, William Penn wrote:

>Due to a unique bug in Shredder 7 and Shredder 8, its analysis is unreliable.
>Only the first move can be trusted. Forget the rest! Sometimes it's OK, but
>often it's garbage, or somewhere in-between. If you want reliable analysis,
>choose a different engine (not Shredder).
>WP

Dear William,

I suspect that you misread my post. Yes, in Shredder 7 & 8, only the PV is
reliable. This is true for some other engines too. For example, I noticed this
in my matches with Friz 6a and Nimzo 7.32.
(http://www.correspondencechess.com/campbell/ham/ham.htm). But the a-pawn losing
move that was second in move-ordering was the PV of the second line of the move
ordering sequence.

All the best,
Stephen



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