Author: Peter Berger
Date: 07:07:52 12/16/03
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On December 16, 2003 at 00:42:34, Uri Blass wrote: >book is also not about objective value of the positions and it is better to get >inferior position that the program knows to play and not superior position that >the program does not know to play. This kind of statement can hardly ever be wrong ;). But seriously, book is an interesting issue in this match and it's somehow a pity that both entities have no clear idea what they are being used for here. I said that book has been more of an advantage for Crafty so far - I'll try to explain what I mean. a.) Junior playing black I think this went as expected. There were two quick losses for it: one in the Sicilian/Scheveningen and one in the Queens gambit/Vienna - both clearly openings you would avoid against an opponent running on much faster hardware in case you did some preparation. But then Junior/the booklearner found two solid but active lines with C92 against 1. e4 and Nimzo-Indian/Queen's Indian against 1. d4 that seem to do fine. Knowing Crafty's narrow book approach against computers I expect the black games to be Junior's best chance for wins in the rest of the match. b.) Junior playing white That's some disappointment - Junior never reached any advantage with the white pieces, often trading queens very early out of the book. If you have ever watched what say Fritz8.ctg does to an automated book with the white pieces, you'll probably agree that this is somehow surprising. c.) Crafty Just a note: if Crafty "knew" what it was competing in, there would be some room for improvement too. For one: knowing that the opponent is Junior on slower hardware it looks like a good idea to get it out of book ASAP. Junior on its own isn't exactly famous for its opening brilliancy. And Crafty's book is much too narrow in games against computers with a good learner IMHO. Peter
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