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Subject: Re: Deep Fritz book

Author: Kurt Widmann

Date: 11:30:50 01/03/01

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On January 02, 2001 at 23:48:54, Uri Blass wrote:

>On January 02, 2001 at 19:22:05, Kurt Widmann wrote:
>
>>DF is currently Playing a match against Germany.
>>The book used by DF seems to lead to a loss.
>>The theoretical line 23.Qxg5//28.Nxb5 in my opinion
>>may be DF book and will be difficult to find a draw for white.
>>DF has at least 20 ply depth search,thus may be able to survive.
>
>1)Germany can search deeper because they can use Deep Fritz for more time to
>analyze their moves.
>
>
>2)I found that Deep Fritz was lost out of book in one game of Deep Fritz against
>Junior6 in the ssdf games and I do not understand it.
>
>I do not understand the reason that programmers let their program to accept
>illogical moves in their book.
>
>I think that a chess program should analyze every position in the book for one
>second and if it find illogical moves  it should analyze the relevant positions
>for more time.
>
>If it finds nothing good even after more time it should delete the moves out of
>the book.
>
>Uri

Thank you for your reply. I am trying to make your point
for years on this site,that book is the "Deciding factor"
in most games.
There are some exceptions,where a program for certain positions,
does not have proper instructions to exploit it.

If I had a program, I would analyse and analyse and correct my book.
And then,try to provide the proper guidance with encountered difficult
positions.

Kurt Widmann



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