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Subject: Re: Resuts of the Dutch open championship

Author: Nicolas GUIBERT

Date: 11:59:56 12/11/02

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>DIEP without book, just like any of the chess programs without book,
>will do way better than draughts programs without book.

I wonder where you get this statement from. This is absolutely stupid. Sorry,
stupid is the word.


>With a 1998 book (outdated, i lost points becuase of it) in draughts
>and a program with 2 days of work out of januari 99 i could get 4th,
>even having *major* bugs in many patterns.

If you really lose because of the book (I have doubts about this), it does not
mean that the theory that is in your book is outdated, it simply means that the
opening line does not fit your program's knowledge. You allowed it to play
positions that it does not understand.

Please publish here the openings where Napoleon lost because of it. I'd like to
have a look at them.

>In computerchess either of that would lose. A 1998 book gets killed.

I believe you. This is absolutely wrong in draughts. Just don't play the latest
theoretical lines in the tense opening and that will be enough. That is quite an
easy thing.

I don't know the exact answer, but you will probably tell me.

How many opening moves are playable in Chess ? I mean on first move ? And how
many playable replies on each of them ? Would you play a2-a3 as a first move ?
h2-h3 as a first move ? Surely not.

In draughts all 9 opening moves are playable and almost all 9 reply moves are
also quite playable. Isn't it a big difference that makes the use of book much
less important in Draughts than in Chess ?









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