Author: martin fierz
Date: 02:19:52 03/02/04
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On March 01, 2004 at 14:40:29, Stephen Ham wrote: >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 hi stephen while i understand what you want to say, you are not saying it correctly. the PV is the whole line given by shredder. the first move of the PV is always correct, the entire rest of the PV *can* be garbage but must not. so your statemtent "only the PV is reliable" is totally wrong, but i think that's because you use PV in the sense of "first move of PV" - but since you're the only one who does this, it will lead to confusion :-) cheers martin
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