Author: Robert Hyatt
Date: 05:03:26 02/13/98
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On February 13, 1998 at 04:10:11, Didzis Cirulis wrote: >Yes, that is my question. >I run Crafty 12.6 and 14.9 on my AMD 586 133(P75) 32 RAM PC, and its >opponents are Rebel Decade 2.0, Genius 2 and CM5500. And I see that >Crafty is not crafty at all! :( >I run it with hash=16M and hashp=2M using the opening book made of those >"large PGN files" given by Robert Hyatt. Results? Not a single win. Not >even a single draw! >Crafty falls out of opening book at very early stage of game. And, even >if it has an equal position, it gets destroyed within 10-20 moves. >Slowly but inevitably. Or finds itself in deep mess. >I hope to believe that Crafty IS clever (means, I have to learn >something about it)and can be tuned-up... > >Didzis Cirulis When you say "out of book at an early stage" this sounds like either you have a broken book, or a technical problem of some sort. The large.pgn files produce a book that should not miss many opening plans by the opponent. If you can post an example, I can check it against the same book built on my P6. If you are playing at fast time controls, Crafty won't do well on that machine, because the shallow search depths will result in a signficant number of null-move failures. Longer time controls will help. But to make it play better, you need faster hardware. It's designed to run at P6/200 speeds, and the null-move search (and everything else) is going to perform best at that speed or faster. You didn't mention how many games, nor did you mention how you are running the games. If you are running both programs on one machine, forget it.
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