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

Author: Marc-Olivier Moisan-Plante

Date: 14:07:08 10/01/05

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On October 01, 2005 at 03:11:19, Dann Corbit wrote:

>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

Thank you for the link. I'll certainly look at the file.

>>>Thanks and good luck with Fruit 2.2,



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