Author: Jon Dart
Date: 09:10:45 07/13/01
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On July 12, 2001 at 16:59:45, Dann Corbit wrote: >Ha ha! >Delete your opening book and then play against GM's on ICC (or other programs >equipped with a good book). Computers are weak at opening calculations [which >is why they *need* an opening book], absurdly strong in the middle game, weak >again in the early endgame, and suddenly become omniscient in the late endgame. >There are some programs that can play reasonably well without an opening book. >But they will all make big mistakes from time to time without one. On the other hand .. books made from collections of GM games will contain a lot of bad lines. I have lots of examples where the game result doesn't indicate how good or bad the opening was. I have been experimenting lately with a much smaller opening book, tuning it based on ICC and autoplay results. I don't think it's any worse than the bigger (500k moves or so) book I have been using and may be better. Playing fewer lines also gives my program more chances to apply book learning. Of course the commercials often have hand-tuned books, but this isn't so common among the amateur programs. --Jon
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