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Subject: Re: Result of my experiments, limited to Available books

Author: Sandro Necchi

Date: 11:47:31 02/20/05

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On February 20, 2005 at 14:43:44, Uri Blass wrote:

>On February 20, 2005 at 14:37:05, Sandro Necchi wrote:
>
>>On February 20, 2005 at 14:08:18, Claude Le Page wrote:
>>
>>>Hi Sandro!
>>>I don't doubt your skill ,but there is a question of time  : an opening book
>>>cotains about 500000 games , of which most are sidelines , but when you arrive
>>>to the critical lines an engine like Junior7 needs no more your improvements :
>>>how many theoretical novelties it has found!  I worked on Two Knights Defence ,
>>>and it cracked about every critical line  , completely changeing the Theory ,
>>
>>well, but to reach those positions one program needs an opening book.
>>In that case the book has not been tuned or well enough...I do not know as that
>>book is not made by me...you should ask the maker about it..
>>
>>>but it's necessary that you avoid for it lines that it does not like , as closed
>>>Ruy Lopez or QGD
>>>Obviously , this is not done   , then why to present the book as tuned?
>>
>>Well, commercial book needs to include variety and the possibility to play
>>common lines to avoid people to complain about this...
>
>It is not going to help.
>People will always complain regardless of what you do.

Of course, but I do my best to supply the best possible compromise...for the
time being of course...

>
>There is also no rule that you have to provide one book and you can provide 2
>books when one of them is for eng-eng games and one of them for eng-human games.
>It is easy to know when the engine is playing against humans.

Well, yes, but I prefer one multipurposes...improvable later...there is always
room for improvements like on a chess engine...
>
>Uri

Sandro



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