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Subject: Re: A mate in 1 no program (or human) can find.

Author: Chris Kantack

Date: 20:14:47 01/04/03

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On January 04, 2003 at 19:24:05, Uri Blass wrote:

>On January 04, 2003 at 19:13:06, Omid David Tabibi wrote:
>
>>>>-------------------------------------------------------------------------------
>>>>(ii) 'castling'. This is a move of the king and either rook of the same colour^,
>>>>counting as a single move of the king and executed as follows: the king is
>>>>transferred from its original square two squares towards the rook, then that
>>>>rook is transferred over the king to the square the king has just crossed.
>>>>
>>>>    (1) Castling is illegal:
>>>>
>>>>        [a] if the king has already been moved, or
>>>>        [b] with a rook that has already been moved
>>>
>>>The rook has already been moved in the time when it was a pawn so castling is
>>>illegal by fide rules.
>>>The rule does not say that the rook has to be a rook at the time that it moved.
>>>
>>
>>You didn't read my post till the end. Scroll down the page...
>
>You are right but even without the part of the fide rule that say the same
>rank it is possible to understand that castling is illegal.
>
>Uri

I can understand Uri's and FIDE's reasoning as well.  Think of the "army
analogy".  The rook has indeed moved.  True, he was a pawn once but now he is a
rook and, despite his new rank, he is still the same guy. (Well maybe now he
hangs out at the officers' club instead of his old buddies.)

Chris



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