Author: Ulrich Tuerke
Date: 07:47:02 06/02/98
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On June 02, 1998 at 10:12:30, Robert Hyatt wrote: >On June 02, 1998 at 02:01:43, Komputer Korner wrote: > >>On June 02, 1998 at 00:51:08, Havergal Brian wrote: >> >>>This is part of my Winboard.ini file. So far I've had no >>>crashes/problems. Just put this in the appropriate spot with >>>the changes you want. >>> >>>/cp >>>/mg 50 >>>/sgf wcraftyvscomet >>>/fcp="comet-wb.exe" >>>/scp="wcrafty-12_6 xboard" >> >>Since I turned pondering off, no more crashes but I still have the >>problem of Crafty corrupting it's book after a long natch of 40 games. I >>have to rebuild it's book each time. There is definitely something >>broken with Crafty's book code because in my latest match Crafty was out >>of book after 1.e4e5 2.Nf3 !!!!!! >>-- >>Kpmputer Korner > > >lets back this trolley up a bit. So far as I can tell, there is >*nothing* >wrong with crafty's book code. It is *impossible* for it to corrupt the >book, because it never adds anything to the book at all. If it were >doing >this, we'd be seeing *lots* of problems on the servers where we play 500 >games >a day on each program... The problem most likely lies somewhere in your >setup, whether you have flakey memory, or something else, is unknown. >But >I played one 330 game match yesterday crafty vs crafty with *zero* >problems >of any kind... > >Be careful of "there is definitely something broken with crafty's book >code." as the evidence doesn't support that when everyone else seems to >be able to play crafty vs xyz with no problems... I have had a similar (the same ?) effect when playing Crafty with winboard. I think that there is nothing wrong with its book and book code. May be, KK has installed the small Crafty book as I did. With the default choice for "book random", Crafty only plays lines the frequency of which are higher than some threshold value (Bob knows better). Apparently, the desired frequencies can hardly be reached in the small book. However if you set "book random 5" instead of the default randomness for instance, then the threshold is chosen lower and variations will be found. May be KK has the same effect.
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