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Subject: Re: contradicting FEN and SMK-FEN

Author: Juan Pablo Naar C.

Date: 23:09:20 08/03/05

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On August 04, 2005 at 01:57:51, Reinhard Scharnagl wrote:

>Here are some facts to objectify the discussion instead of flaming:
>
>See following Chess960 position SP-518, you will know it:
>
>[D]rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>
>SMK-FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w AHah - 0 1
>X-FEN:   rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>FEN:     rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>
>Or look at following playable pseudo-FRC position SP-532 (one of 18 possible):
>
>[D]rbbnkqnr/pppppppp/8/8/8/8/PPPPPPPP/RBBNKQNR w KQkq - 0 1
>
>SMK-FEN: rbbnkqnr/pppppppp/8/8/8/8/PPPPPPPP/RBBNKQNR w AHah - 0 1
>X-FEN:   rbbnkqnr/pppppppp/8/8/8/8/PPPPPPPP/RBBNKQNR w KQkq - 0 1
>FEN:     rbbnkqnr/pppppppp/8/8/8/8/PPPPPPPP/RBBNKQNR w KQkq - 0 1
>
>In both cases the castling tags are making the difference
>
>Because of FEN and SMK-FEN being different, a decision for SMK-FEN will leave
>behind any compatibility to traditional FEN without any need.
>
>Reinhard.

Hi Reinhard,

What does AHah means? The castling?

The question is, why did Stefan make his own FEN? Also, does that
incompatibility affect the other FRC engines that can work on Arena to play in
Shredder GUI?

I've heard that Arena has FRC problems, now Shredder with incompatibility, when
will a full compatible FRC GUI will appear?



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