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Subject: Re: A new trick position

Author: Bernhard Bauer

Date: 06:31:14 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.
>
>Uri

Well, I thought a bit about your suggestion. It may not be the best way to place
the rook in the air. Indeed it may be better to give the position with the
following FEN:
[D]8/8/8/8/1p2p3/1P1kP3/1P3P2/R1K3N1 w Q/2 -

Thank you for your excellent comment. Any programmer should give his comments
about this suggestion.
Kind regards
Bernhard



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