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Subject: Re: for Reinhard Scharnagl about Chess960

Author: Reinhard Scharnagl

Date: 06:52:56 07/18/05

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On July 18, 2005 at 09:08:37, Matthias Gemuh wrote:

>I hope you realize one of your main mistakes concerning Chess960.
>Stefan (SMK) has released a fully functional FRC GUI, so programmers will write
>engines for it. You have released a beta version of Smirf GUI.
>A beta version is fine, but why make it time-limited ? Many will not install it
>for that reason. So very few programmers will side with you against Shredder.
>I am sure even you would not start developing an engine for some time-limited

Hi Matthias,

as far as you see Shredder as a stand alone application you might be right.
But it is entering a set of existing definitions and applications also covering
Chess960.

PGN e.g. demands to a unique encoding of a game thus also for FEN. But Shredders
way to encode positions into FEN depends on the view of its engine. It is
different when created from its Chess960 or its normal view, if encoding
positions, having only castling rights related to traditional K-R placements.
Made proposals for compromising concerning FEN have been refuted all.

Also it is not true, that a fully compatible UCI extension has not been
possible. I have published a text, how to do this. But this document has had
the goal to sweep away that argument for to use different FEN encodings. Which
way SMK would take to extend his UCI protokoll is far less important compared to
the need to keep compatibility to FEN and existing applications, databases and
PGN viewers already enabled for Chess960.

SMIRF beta could be tested by everyone. Those who are more interested could
request a time limited key. But even without such a key, most functions will
work and could be tested. It is usual to have shareware enriched with some
nagging details, such is live.

Reinhard.



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