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

Author: Matthias Gemuh

Date: 16:04:34 11/05/05

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On November 05, 2005 at 18:57:34, Reinhard Scharnagl wrote:

>On November 05, 2005 at 18:43:26, Matthias Gemuh wrote:
>
>>>
>>>>How can an engine support both Arena-FRC and X-FEN simultaneously ?
>>>
>>>A way to solve this would be to handle it like SMIRF does it in its
>>>used own TMCI protocol. Here COMPATIBLY castlings are sent as follows:
>>>a) if the King does more than one single step, King's source and King's
>>>destination square coordinates; b) otherwise King's source and involved
>>>Rook's source destination square coordinates. By that also a unique
>>>gesture has been defined, to signal that move manually to the GUI.
>>>This overmore works IDENTICALLY in Chess960 AND traditional Chess.
>>>
>>>Reinhard.
>>
>>
>>"A way to solve this would be ..."
>>Is this an approach that works in current Arena ?
>
>This could work in any GUI.
>
>Ask the author. Arena is (as far as I know) still in the stage of the
>early way to support FRC. It has not payed to wait for a compatible
>extension of the UCI protocol which did not come compatibly. So the
>author seems now to be inside a dilemma what to do.
>
>We all have to wait and see, what will come in Arena or not.
>
>Reinhard.


A quote from Arena Help File:

"There are currently no engines that fully support Fischer Random Chess. The
problem lies in the correct execution and recognition of the extended castling
move. Therefore an appeal to all engine programmers: Support Fischer Random
Chess! Arena transmits and receives the castling moves in Fischer chess (and
only there!) always in the form "O-O" for h-side castling or "O-O-O" for a-side
castling (the letter 'O' is used, not the number '0').This applies to the
Winboard and UCI communication."

Matthias.




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