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Subject: Re: Creating Opening books ==> don't use CAP data.

Author: Michel Langeveld

Date: 14:04:21 07/07/00

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On July 06, 2000 at 22:03:26, Robert Hyatt wrote:

>On July 06, 2000 at 19:41:31, Vincent Diepeveen wrote:
>
>>Hello,
>>
>>this is a post i just did at crafty list after a long number of mails about
>>a project called CAP which people tend to believe they can use it for
>>creating their openingsbook. Some warnings are on their place, when you
>>want to let such a book compete with commercial books.
>>
>>I first showed that CAP goes completely wrong already quite soon in opening.
>>Like 1.d4,d5 2.c4,e5 3.dxe5 there best move is d4 all other moves you can
>>go home and rest but first resign the game.
>
>This is a bogus title for a thread.  CAP isn't right in all cases.  Neither
>is "most popular move".  Nor "move suggested by Kasparov (or Anand or Karpov
>or any other GM)".
>
>CAP data _is_ good and reliable.  You simply have to use it as one of several
>decision-making ideas.  Not _the_ decision making idea.  Weighted with other
>things like frequency, learning, even simple positional evaluation, CAP data
>can contribute to a better move choice.  Used by itself, it can also contribute
>to a bad choice.  As can even a top GM's suggestion(s).
>
>If you don't want to use the data, don't.  But I don't see any reason to
>suggest that others should not try it.  They might have a better idea than
>you do (or than I do).
>
>Dismissing something just because you don't see (yet) how to use it is not
>a good way to make progress.  Had I dismissed bitmaps so quickly, I would have
>missed something that has turned out to be very interesting and useful.
>
>
>
>
>IMHO...

I fully agree with this....



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