Author: Robert Hyatt
Date: 08:42:46 01/26/04
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On January 26, 2004 at 11:17:56, Anthony Cozzie wrote: >1. How do I turn off position learning? I want to see a wide variety of games, >not Crafty winning the same game over and over again. I tried adding "learning >off" to the .craftyrc file (with correct syntax, which I forget now), but that >doesn't seem to work. there are three kinds of learning. If you really want to turn off _all_ learning (which I don't recommend if you play matches) learn=0 will do that. If you want to turn off position learning only, learn=5 will do that. (comments in option.c give you the choices, this is a 3-bit binary value, bit1=book learning, bit2=position learning, bit3=result learning. > >2. Do I need to download a special book file because I compiled it -m64? And >what exactly are the files; on the ftp site I see like 5 book* files. > If you are building for a 64 bit machine, you have to rebuild a binary book, as the current code does not have a portable binary book file format (that will be in version 20). Download enormous.pgn, start.pgn and startc.pgn start crafty and type the following three commands: book create enormous.pgn 60 10 books create start.pgn 60 bookc create startc.pgn 60 quit and you are set. The last two take zero seconds, the first will take some time. 5 minutes on my opteron box, 8 minutes on my dual xeon box... >3. Can I set the resign threshold of crafty? > >anthony
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