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Subject: Re: Another bug in F7a

Author: Marc van Hal

Date: 11:13:31 11/26/01

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On November 25, 2001 at 14:28:16, Jonas Cohonas wrote:

>On November 25, 2001 at 13:50:04, Marc van Hal wrote:
>
>>On November 25, 2001 at 13:38:33, Jonas Cohonas wrote:
>>
>>>When publishing games live (i don't know if this aplies for standard play)
>>>Booklearn will not take effect and play the same opening over and over again, i
>>>have had to restart the match F7a v DF twice now and i am sorry for any
>>>inconvenience, i will finish the last 2 games under DF GUI.
>>>
>>>Regards
>>>Jonas
>>
>>I always make it play several times the same position so it maybe find a better
>>answer.
>>In fact I manny times create an openingsbook with only 1 line.
>>And then create an engine engine tournament with it.
>>The way the book learning of the program never works corectly
>>if you look at the book it should play the moves with 100% scores when it is
>>optimized it mostly doesn't.
>>Marc van Hal
>
>Well it should not play the exact same losing openingline twice...
>
>Regards
>Jonas

When the engine looses the first time it does not mean that the openingsline is
bad but that Fritz did not find the corect moves
The learning of the engine could change the lines it played before
I don't know if Fritz7 is programed the sameway as Fritz6 or Deepfritz
But it could be so that Fritz7 does not play precisely the same line as in his
first try
If you have a good openingsbook and a bad program it is not the fault of the
book but of the engine
But engine learning could give you a better inside of the troubles there are
after out of book.
And only after seeing that it is indeed the oposing side who has the advantage
It should change the openingsline
Besides in the openingsbook options there is also a posibilety to change the
numbers the program should play a line before it changes the book

I could give you numbers of position I had with Junior 7
Where I made a move which Junior did not mention about
and after i played the move it became at once the mainline fot the engine
Rhis is not book but engine learning
Actualy you can get an impresion about Junior7 only after it had played many
games.



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