Author: Dann Corbit
Date: 11:42:57 08/02/05
Go up one level in this thread
On August 02, 2005 at 13:08:11, Günther Simon wrote: >On August 02, 2005 at 11:55:42, Chessfun wrote: > >>On August 02, 2005 at 11:47:10, Chessfun wrote: >> >>>On August 02, 2005 at 08:22:07, Dom Leste wrote: >>> >>>>The book the tester used is the default book of Fruit :) Its a small book, >>>>Fabien advised people to use Dann's book for fruit. >>> >>>I don't recall Fabien saying exactly that. Anyway Dann's Big book was never >>>released till July 3rd. Fruit was already being tested by that point with the >>>book it came with. >>> >>>Sarah. >> >>This is what was written at Fruit 2.1's release. >> >>"Now, I hear it already. Tournament directors will want me to >>designate an official book that they should use. To keep download >>overhead low, I decided to include only a small book in the main >>archive: it's called "book_small.bin". It is in fact the same as >>"fruit.bin" in the PolyGlot 1.3 release. >> >>However, I would prefer that Fruit has access to a larger book during >>tournaments. At the time I am writing this line, "book_corbit.bin" is >>planned to be made available on WBEC. >> >>You can build your own book from a PGN file by using PolyGlot on the >>command line. PolyGlot is available for download at >>http://wbec-ridderkerk.nl/" > >I want to say, that Dann himself told, he won't guarantee his book would >be better than Fruits original book at all. Actually there were >some losing out of book lines posted from it during the last 2 weeks. >AFAIK no such lines are yet known from the original Fruit book. > Besides, the original book is my fault too. ;-) Besides the one that comes with it, this: http://cap.connx.com/chess-engines/new-approach/fruit_books.zip Which contains these: 07/09/2005 01:59 AM 47,383 book_microscopic.bin.bz2 07/09/2005 01:59 AM 260,071 book_small.bin.bz2 07/09/2005 01:58 AM 1,011,173 book_medium.bin.bz2 07/09/2005 01:58 AM 3,792,694 book_large.bin.bz2 Which expand into these: 08/02/2005 11:39 AM 72,672 book_microscopic.bin 08/02/2005 11:39 AM 409,952 book_small.bin 08/02/2005 11:39 AM 1,544,096 book_medium.bin 08/02/2005 11:39 AM 6,368,352 book_large.bin The book is chosen by the name book_small.bin, so you would need to rename the book to use to be that name. I have no idea whatsoever which book is best among these, and (further) whether or not someone else's book is better or not. I expect that Sarah's results for Fruit are not as good for Fruit because she plays in the native interface for the engines while many of the other tests will be using UCI or Winboard which will stunt the native engines' performance. Just hazarding a guess. A professionally built book will surely be superior to the autogenerated books that I build. My stuff is for the poor souls who can't afford a real one.
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