Author: Olaf Jenkner
Date: 17:40:39 01/03/03
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On December 29, 2002 at 10:17:29, Bob Durrett wrote: >On December 29, 2002 at 09:20:00, Drexel,Michael wrote: > >>On December 29, 2002 at 09:03:19, Bob Durrett wrote: >> >>> >>>On rare occasion, a bulletin appears here dealing with composed chess problems. >>>Most, however, are about chess games and software for games. >>> >>>There is not much demand for problem composition software, which is probably why >>>it is rarely discussed. >>> >>>Nevertheless, I wonder whether or not any chess programmer has ever turned >>>his/her attention to this software application. >>> >>>Is there any software "out there" which is intended primarily for creation and >>>solution of composed chess problems? >>> >>>Bob D. >> >>http://www.stanford.edu/~hwatheod/Retractor/ > >Thanks. Now I know what "Retrograde Analysis" is. So, trying to emulate the >human procedure of using "fantasy positions" is NOT retrograde analysis. Or is >it? > >Bob D. In many cases yuo have a position which is nearly illegal and you must find a game that lead to this position. Sometimes the question is mate in 1 or 2 and it is to prove that castling is possible. In general all problems where the solution depends on what happened before are retro problems. OJe
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