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

Author: Dann Corbit

Date: 00:11:19 10/01/05

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On October 01, 2005 at 02:11:33, Dann Corbit wrote:

>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.

That was the compressed size.  I would have to decompress to see the actual
size.

>>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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