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Subject: Re: Diep-Tiger

Author: Vincent Diepeveen

Date: 15:45:51 01/11/00

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On January 10, 2000 at 16:24:38, Thorsten Czub wrote:

>On January 10, 2000 at 16:06:06, Ed Schröder wrote:
>
>>Very good Thorsten. You have my admiration.
>>
>>Ed
>
>after the dozens of ironic and sarcastic statements following
>the posting of the first game i am a little unsure
>how you meant it ed :-)))
>where are your smileys ?  :-)))
>
>whatever.
>
>games runs and diep has NOW book enough, even in petroff-defense.
>
>we are in 8th move and still diep is in book, meanwhile tiger
>has NO book.
>
>Hope tiger is not running into a trap from book.
>that would in my opinions cause again dozens of posts complaining
>and suggesting there is a kind of cheating... oh yes.

Diep tournament book is very small. no killerlines in it yet, just preventing
to play horrible lines which are in the automatically generated book as
'playable'.

The automatic generated book only plays a move if a line is played
over 5 times and basically the chance that a move gets played is a simplistic
function of the number of times it it played.

Very hard to call that 'general knowledge' killerlines, especially
when you know that i didn't change a byte myself from the big book. it's
all automatically generated. Tiger CAN however make major mistakes when
playing a difficult position where general audience knows some moves
are better than others. Most important is that Tiger doesn't have the
big Jeroen Noomen killerbook.

>i have always asked myself why jaap van den herik is
>having so much problems deciding wise and cool, now i feel by own
>experience why it is so difficult to defend your point
>of views concerning your decisions in public :-)))
>sorry jaap :-))



>Oh - diep computes in move 9 !
>
>1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3
>Be7 7. o-o o-o 8. Re1 {last book-move diep} Nc6 9. *
>
>so diep evaluates this +0.35 meanwhile tiger says
>-0.18.
>
>May the best program win !



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