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Subject: Re: The old small_book.bin...

Author: Dann Corbit

Date: 23:11:33 09/30/05

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On September 30, 2005 at 19:19:07, Marc-Olivier Moisan-Plante wrote:

>Hi Marc,
>
>By curiosity are you the book builder of Fruit 2.1's small_book.bin?

If it is 7/9/2005 and 260K then it was probably me.

>I would like to say that I find this little book quite solid despite its size.
>In my own testing (done for fun, blitz control, few games - nothing serious
>here), I rarely see Fruit 2.1 (or other uci-engine that I endowed with that
>book, doing bad after the book ends). Small but solid.

Computers often do well with reduced books.  Over a long period of time against
a program with learning, problems would develop, however.

>I could be wrong (because I don't use chessbase interface very often), but I
>noticed that Fruit 2.1 is doing better with small_book.bin than fruit_ASv3.ctg
>against Fritz 8 (again maybe I don't have enough games here to say something
>serious - this is just my impression).
>
>An exeption might be the following line: 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Be3
>Nf6 5. Nc3 e5 6. d5 Na5 7.Nf3 Bd6 8. Qa4 bd7 9. Qa5 a6!? and then white (i.e.
>fruit 2.1) is bookless against Prodeo (which might have one of the best
>"amateur" book - if we agree that Prodeo is an "amateur" program). This is a
>tricky line.
>
>PS: (If your are the author..) Is the original pgn from small_book.bin
>available? (I don't expect so.)

This is the PGN I used.  I do not know if this is the stuff you are after
though.
http://cap.connx.com/chess-engines/new-approach/super.pgn.bz2

>Thanks and good luck with Fruit 2.2,



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