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Subject: Re: Another Clever Problem; Samuel Loyd New York Albion 1857

Author: Daniel Clausen

Date: 12:40:56 03/06/02

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On March 06, 2002 at 15:27:19, Daniel Clausen wrote:

>On March 06, 2002 at 15:15:54, Frank Phillips wrote:
>
>>if no castling rights are indicated in the fen string, is it normal to consider
>>that castling is possible - except where it obviously is not in Black's case?
>
>Excuse me!?
>
>
>>(In evidence to contrary my program assumes castling is not possible.
>
>No it's not assuming! FEN is _defined_ in that way! No castling indication in
>the FEN string means there are no castling rights!
>
>Sargon

Um, with "no indication of castling rights" I meant a '-' sign. Maybe not write
down anything doesn't violate the FEN definition, I don't know. In this case,
skipping that info would be a valid way to let the question of castling rights
open.

Sargon



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