Author: Geert van der Wulp
Date: 02:23:52 03/02/04
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On March 02, 2004 at 05:19:52, martin fierz wrote: >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 Martin, Maybe technically speaking it was not completely right, but SOMEHOW you understood what Stephen meant. I think it was very clear, even though I do not own or use S8. Regards, Geert
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