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Subject: Re: Chess960: Arena castle vs X-FEN castle

Author: Uri Blass

Date: 03:33:35 11/08/05

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On November 07, 2005 at 16:16:35, Tord Romstad wrote:

>On November 06, 2005 at 07:13:12, Reinhard Scharnagl wrote:
>
>>On November 06, 2005 at 06:59:27, Tord Romstad wrote:
>>
>>>On November 06, 2005 at 06:57:10, Tord Romstad wrote:
>>>
>>>>On November 06, 2005 at 06:16:25, Reinhard Scharnagl wrote:
>>>>
>>>>>If there would be a need to, you simply could check, whether there are castling
>>>>>rights without having involved King and Rook at traditional places or not.
>>>>
>>>>This works in some positions, but not in all.  An example is the following
>>>>position:
>>>
>>>Sorry, I made a typo.  This forum badly needs a "preview" feature.
>>>
>>>>[D]4k2r/5ppp/5n2/8/1p6/1P6/1P3PPP/B3K2R w Kk - 0 1
>>>
>>>Tord
>>
>>May be I have not explained clearly enough. There is NO guarantee that you will
>>get such a position with a correct flag, because you are able to create such a
>>position within a traditional chess GUI.
>
>I am not sure I understand what you are trying to say.  Of course I can't
>guarantee
>that the user will always remember to set the "FRC" flag correctly when setting
>up
>a position, just like I cannot guarantee that he uses the strongest setting with
>my
>engine.
>
>If the user forgets to set the FRC flag, that's a user error.  If the GUI does
>not provide
>an FRC flag when setting up a position, we have a limitation in the GUI's FRC
>support.
>In neither case does this have anything to do with the protocol used to
>communicate
>with the engine.
>
>Tord

Babelfish translation of Reinhard's reply(partly modified by me)

I am afraid that Reinhard's reply is going to be deleted because it is in
german.
Note that I do not support deleting german posts inspite of the fact that I do
not understand german but I know that Eduerd Nemeth wrote that he does not post
in german because in that case his posts are deleted so I decided to try to post
translation to english inspite of not understanding german.

Translation:

There are more positions in chess960 then in traditional chess.
Therefore it does not make a sense to have a decision based on the question if
the position is from chess960 or traditional chess. Particulary after both sides
castle, the resulting positions are to be arranged hardly still in such a manner
k?nstlich. Situations with few pieces are to be looked up in few pieces tables,
which form an absolutely common basis. For this reason most traditional chess
programs could handle also the 18 pseudo random starting positions correctly.
Likewise one did not see a necessity to note Shuffle Chess positions (without
permitted castling) in special form.

Uri:"the point of reinhard is that positions with blocked bishop at a1 can be
also in shuffle chess and not only in chess960"


 Now with the Chess960 such senseless Separation does not make sense and is
practically impossible. An attempt to make this nevertheless against each reason
as in Shredder cause different FEN representations of absolutely identical
positions. That is schizoid. What f?r is a sense to lie to require e.g. with few
stone he positions to mark these so weighing functions perhaps different as
Chess960 or traditional position and it zuzuf?hren? This is as unn?tz and
renounceable, as an attempt to differentiate Bavaria from Germans to.


Uri:"here I did not understand part of babelfish translation but I understand
that Reinhard is against differentiating between chess and chess960."

Uri



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