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Subject: Re: Playing computer - computer games in Fritz interface and cleared hash.

Author: Thomas Mayer

Date: 07:37:41 11/10/01

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Hi Michel,

On November 09, 2001 at 11:17:00, Michel Langeveld wrote:

> When I debug the commands which the fritz interface will send to the
> chessengine I see the following:
>
>-> new
>-> time 54200
>-> hard
>-> easy
>-> force
>-> g2g3
>-> d7d5
>
> Sending the command new with all moves played up so far in a computer -
> computer game will cause the hashtable of the chess engine cleared. Is there
> a way to prevent this?

well, yes - don't use winboard engines under Fritz GUI... This adapter is
absolutely crap. For a comparisson look at
http://www.winboardengines.de/html/chessbase.html
There are even more problems then described here, but I think it is enough
information to know that any winboard-engine which is not adaptet to this crap
will suffer much from the Fritz GUI. And there is still more - I have seen from
time to time that the Fritz GUI plays a DIFFERENT move for the winboard engine
then the engine has thought about and wants to play... Use ChessMaster 8000 with
the newest patch, ChessPartner with the newest Winboard Adapter, Chess Assistant
or Chess Academy for using winboard engines in a professional GUI. And start a
cpu-time-utility where you can see which engine gets how much power, in
ChessAssistant I have seen when playing e.g. against the native Tiger, the Tiger
gets much more CPU time when playing with ponder. (Under Win98, might be better
with Win 2000)

Greets, Thomas

P.S.: I doubt that all problems are solved with the so called natives of Crafty,
according to some tests of Frank Quisinsky and some others in ponder mode there
are also very strange behaviour visible... In fact to work according to the
ChessBase specification, Crafty and it's interface must be completely rewritten
and I doubt that the ChessBase guys have done that...





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