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Subject: Re: Value of Book Learning ??

Author: James T. Walker

Date: 12:03:25 03/25/02

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On March 25, 2002 at 14:57:47, Dann Corbit wrote:

>On March 25, 2002 at 14:53:35, José Carlos wrote:
>
>>On March 25, 2002 at 13:35:33, James T. Walker wrote:
>>
>>>I just did a quick test to see if there is any gain through book learning.  I
>>>loaded One computer with Fritz 7 and let it learn from the 3 databases I have
>>>(more than 1700 games played by Fritz 7.  In the other computer (both AMD 1.4G)
>>>I cleared the book learning in Fritz 7 and played 100 games at G/1 minute (for
>>>quick results of course).  The final score:  Fritz without previous book
>>>learning won by 52-48.
>>>Comments?/Conclusions?/Insults?
>>>Jim
>>
>>  I don't know how Fritz 7 book learning works, but I'm certain Averno's book
>>learning has improved results in my private tests for about 50 ELO in about 4000
>>test games.
>
>I suspect that book learning is only valid for the time control at which it is
>applied.  For example, if I ran a million games at game in one minute with
>learning turned on, then learning will be valuable for games at that time
>control or faster.  If I tried to use the learning file at 40 moves in 2 hours,
>I think it would be a big mistake.  However, the learning file from one million
>games at 40/2 would still be good for faster time controls.
>
>Just a guess, I have not actually examined any data.

I was thinking along the same lines when I started the test.  I was just in a
hurry to get some quick data so I ran the G/1min test.  None of the previous
book learning was done at G/1min.



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