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Subject: Re: Weird position kills Fritz!!

Author: pavel

Date: 00:43:19 08/31/00

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On August 31, 2000 at 03:26:44, Christoph Fieberg wrote:

>Interesting posting from a chess newsgroup. Is Fritz 4.01 indeed so vulnerable?
>Who can help Taylor?
>Regards,
>Christoph
>
>Subject: Weird position kills Fritz!!
>From: kingstont@aol.com (Kingston T)
>Date: 2000/08/28
>Newsgroups: rec.games.chess.misc
>
>Back on 10 August, I read a posting from Christoph Fieberg (fieberg@cologne.de)
>announcing that he had composed a position which caused problems for Fritz6.
>In Forsythe notation, the position was:
>
>8/8/pppppppK/NBBR1NRp/nbbrqnrP/PPPPPPPk/8/Q7. W
>
>Though the position is absurd, it is legal, and a mate in one for White that
>most players would spot in seconds.  Fieberg said that on his machine Fritz6
>took over an hour to solve it, and asked "How do other computers react?"
>
>I will tell you how Fritz 4.01 reacted to it on my computers: FRITZ DIED!!  I
>set  up this position, clicked "infinite analysis", and Fritz immediately froze
>up.  I had to use ctrl-alt-delete to free the machine. After that, Fritz was
>crippled!  It could no longer analyze, either in "play" or "infinite analysis"
>mode.  It just sits there doing nothing.  Only the opening book, database and
>similar non-calculative functions still worked.
>
>Thinking this might have been merely a coincidental catastrophe, I tried the
>position on a different machine loaded with the same Fritz 4.01.  Same result:
>Fritz kaput.  Furthermore, I have have so far been unable to restore Fritz to
>full functionality since then, even after re-installing from the CD.
>
>Therefore I would like to warn other potential victims about the risks of this
>experiment, and would like to ask: can any technolgicially savvy reader offer
>me some help in getting Fritz 4.01 restored to health? Please respond by
>e-mail, serious replies only.
>
>Taylor Kingston

I think fritz 4.01 is a bit old to handle such a  "big risk"

:))

pavel



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