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Subject: Re: The importance of opening books -- a simple experiment

Author: Arturo Ochoa

Date: 15:52:58 02/18/05

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On February 18, 2005 at 18:12:18, Sune Fischer wrote:

>On February 18, 2005 at 13:29:56, Arturo Ochoa wrote:
>
>>>Yes but what is "help a lot"?
>>
>>Look the answer: 30% of the total score reached by Diep in testings and 25% of
>>the total score reached by Zappa in private tests. The books was responsible of
>>30% and 25% of the score reached for every mentioned engine.
>
>I'm not quite sure what that means actually.
>
>If your score is 20% and you improve that by 30% you score will be 26% which is
>a rating increase of 59 Elo.
>
>If the score improves 30% from 50% to 65% it's a 107 Elo.
>
>If the score improves by 30% from 35% to 65% it's 240 Elo.
>
>If the score improves by 30% from 60% to 90% it's 320 Elo.
>
>-S.

These assumptions are absolutely wrong. It is a common problem in this Forum of
asserting things that I have not said.

"Look the answer: 30% of the total score reached by Diep in testings and 25% of
the total score reached by Zappa in private tests. The books was responsible of
30% and 25% of the score reached for every mentioned engine.
I'm not quite sure what that means actually."

Example: If Diep played 10 games, and it won 10 games, 3 games were because of
the book. Do you understand? A direct win because of the book.

AO--


I have not pointed out anything about any elo relation.





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