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Subject: Re: Chess960 castling test cases

Author: Reinhard Scharnagl

Date: 11:25:23 04/21/05

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On April 21, 2005 at 13:45:23, Ricardo Gibert wrote:

>On April 21, 2005 at 11:19:32, Reinhard Scharnagl wrote:
>
>>On April 21, 2005 at 11:10:31, Ricardo Gibert wrote:
>>
>>>On April 21, 2005 at 08:32:59, Reinhard Scharnagl wrote:
>>>
>>>>
>>>>[D]2b2krr/8/8/8/8/8/8/RB3KR1 w KQkg - 0 1
>>>>
>>>>[Event ""]
>>>>[Site ""]
>>>>[Date "2005.04.21"]
>>>>[Time "14:16:50"]
>>>>[Round ""]
>>>>[White ""]
>>>>[Black ""]
>>>>[Result "*"]
>>>>[SetUp "1"]
>>>>[FEN "2b2krr/8/8/8/8/8/8/RB3KR1 w KQkg - 0 1"]
>>>>
>>>>{Chess960 castling tests} 1.Bg6 {no castling allowed} Bg4
>>>>{only h-castling is allowed} 2.Bh7 {only h-castling is allowed}
>>>>Bf5 {no castling allowed} 3.O-O-O {only a-castling is allowed}
>>>>Bxh7 {no castling allowed} *
>>>>
>>>>Regards, Reinhard.
>>
>>>Chess960 requires the initial setup position to have the King between the 2
>>>rooks. There are 56 such initial arrangements of king and rooks.
>>
>>Well, ok. I do not understand, what you are targeting. In this example one rook
>>has been moved from a8 to h8. The other rooks and kings are still unmoved in the
>>referenced FEN position, thus still having their castling rights.

>I was interpreting the KQkg in the fen as KQkq. The assymmetry of the Black with
>respect to the White Rooks should have been my clue that I had misread it.
>Sorry.

That is, what serious postings are for: to clear things up. I posted this
example, because beside of my program Smirf with its GUI there are only few
programs like Arena which support Chess960. And even Arena needs some small
corrections to stand through this small testing PGN. I hope that Arena will get
some improvements before the Chess960 computer world championship in August.

Reinhard.



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