Author: Dann Corbit
Date: 14:06:37 08/09/99
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On August 09, 1999 at 17:02:17, Robert Hyatt wrote: >On August 09, 1999 at 13:51:36, Dann Corbit wrote: > >>On August 09, 1999 at 13:07:20, Sune Larsson wrote: >> >>>How do I expand the opening book in Crafty (WinBoard)? >>> >>>I have tried these steps: >>> >>>1)Download large book = Book 1,2,3,4.pgn >>>2)Change crafty.rc - book create Book 1.pgn <60> [2] [50] >>>3)Then I ran Crafty.exe in Explorer. >>> >>>Things started to happen. It was counting up to c:a 21.400 - then changed >>>to -21.400 and all the way down to 0. Then the same procedure again... >>>again... Didn't know how to stop the thing, so I closed the program [x]. >>>Only result: Book. bin 0. The old book.bin /about 3Mb/ was gone. >>> >>>Help needed! Thanks! >>Some of the arrays in the 'stock' crafty are too small to build an opening book >>with certain combinations of options. Try the one on my ftp site, if you have >>any sort of NT machine. >>INTEL Win NT/95/98 binary which can build stupidly large opening books: >>ftp://38.168.214.175/pub/Crafty1.exe > > >The "stock" crafty will easily build "enormous"... I don't think that is his >problem... I have seen 'stock' crafty overwrite memory arrays from a debugger when using over a gig of PGN. Specifically, the temp files created are stored in an array with dimention 100, which is much too small for some combinations of book build settings with that much PGN. Just for fun, run it through your debugger with memory overwrite checking on, and tell it to create a book with the biggest PGN file you have, throwing out no games and using moves out to ply 500. I guarantee you will see some fireworks. >However, you don't put the book create command in the crafty.rc file... that is >the wrong way to do it as it might well be attempted before things are set up >right. > >Start crafty in a dos window and type the 'book create' command....
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