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Subject: Re: Does Rebel10 recognize transpositions ??

Author: Komputer Korner

Date: 11:45:45 11/19/98

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On November 19, 1998 at 03:41:51, Komputer Korner wrote:

>On November 17, 1998 at 12:44:58, Francois Bertin wrote:
>
>>On November 16, 1998 at 13:14:30, Komputer Korner wrote:
>>
>>>On November 12, 1998 at 17:26:09, Francois Bertin wrote:
>>>
>>>>On November 12, 1998 at 15:40:45, greg moller wrote:
>>>>
>>>>>Reading KKorner's review I got the impression that Rebel10 'does not support
>>>>>transpositions'... Can anybody attempt to clarify this statement ? It would seem
>>>>>odd for a program that boasts such a tremendous book to fail to recognize
>>>>>transpositions.
>>
>>>> Yes, it does. When I enter my games in Rebel for analysis or storing
>>>>purposes, I am generally in the program's book for several moves,
>>>>and then the game gets out of it. However, a few moves later Rebel's
>>>>book often shows up again with suggestions. This, I believe, is a book
>>>>transposition. When I red KK's review of Rebel 10, I was puzzled by his
>>>>statement about the absence of transposition. Perhaps he meant books
>>>>made by the user and not Rebel's original opening book. I have not yet
>>>>noticed a transposition in a user-made book, either in the MVS or RBM
>>>>format, but then I have not worked much with such books. I am just
>>>>beginning to dwelve into that aspect of the program with books I have
>>>>made about the King's Gambit Muzio, King's Bishop Gambit and Albin's
>>>>Counter Gambit... :-)
>>
>>>Rebel will recognize only transpositions that have specifically been inputted by
>>>it's authors. Any other transposition is not recognized by Rebel. Contrast this
>>>with the ctg files that can be used as opening books within Fritz 5 and Junior
>>>5. They recognize all transpositions and I do mean ALL.
>>
>>  In a recent post, Ed Schröder alluded to the possibility that future
>>versions of Rebel would have their opening book solely based on the
>>EOC database. He seemed to think that one of the positive aspects of
>>this would be to improve the learning process of the program. Perhaps
>>transposition possibilities would also be markedly improved?
>>
>>                                 François Bertin
>
>It may improve the transpositional awareness some but GMs are forever tricking
>their opponents in heretofore unseen transpositions. The only sure way is to
>have a position based book structure like Bookup, CDB  and  Fritz/Junior
>ChessBase files have.
>--
>Komputer Korner

I should mention that only the Chessbase7/Fritz5/Junior5/Nimzo 99 ctg files show
unplayed transpositions.
--
Komputer Korner



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