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Subject: Re: A new trick position

Author: James Robertson

Date: 08:16:26 03/06/02

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On March 06, 2002 at 09:19:04, Uri Blass wrote:

>On March 06, 2002 at 08:26:49, Bernhard Bauer wrote:
>
>>On March 06, 2002 at 08:06:29, Jouni Uski wrote:
>>
>>>On March 06, 2002 at 05:37:14, Andreas Stabel wrote:
>>>
>>>>The discussion of castling possibility or not reminds me of a silly
>>>>similar problem somebody once presented me with:
>>>>
>>>>[D]8/8/8/8/1p2p3/1P1kP3/1P3P2/2K3N1 w Q -
>>>>
>>>>White to mate in half a move :)
>>>>
>>>>Best regards
>>>>Andreas Stabel
>>>
>>>This is easy Rd1 mate!
>>>
>>>Jouni
>>
>>Ahhhm, your basically right, even most people here would say your wrong, because
>>the FEN is wrong. :-))
>>So let me give the position again with the corrected FEN:
>>[D]8/8/8/8/1p2p3/1P1kP3/1P3P2/2K3N1 w Q/2 -
>>
>>Please notice the Q/2 flag in the position. It obviously means that castling to
>>the queen side is allowed partially - exactly by a half.
>>This new feature will be part of the new epd description as soon as S. J.
>>Edwards has time to give a new request for comment (RFC).
>>Kind regards
>>Bernhard
>
>unfortunately I do not see a rook at a1 so I have to insist that the FEN is
>wrong or it is less than half move.
>half move of long castling is Ra1-d1
>
>if the rook is in the air and not in the board then it should be
>less than half move.

But if the king has already moved from e1 to c1, then perhaps we are actually at
more than half a move?

James

>
>Uri



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