Author: Bruce Moreland
Date: 12:28:45 04/06/98
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On April 06, 1998 at 11:09:42, JW de Kort wrote: >A few days ago someone posted a question to RGCC about the operation of >the chess challenger 7 computer, a model that was one of the first >commercialy available chess computers. I dug mine op form my cellar and >starting playing with it. Now i wonder, how sophisticated the program of >this will be? Does anybody have any knowledge about the program used in >this machine. I'am particulary interested to now about its evaluation >function and the tree search methodes it uses. I'am sure it is not as >complicated as todays machines or programs but i would be nice to know >more about it. I don't know how it worked inside. I do know a little about its style. If it played ... g6 it would not castle k-side, which was kind of annoying, since the only Sicilian line it knew was the Dragon. At 15 seconds per move, and sometimes one minute per move, it would fall for pawn forks. It did not seem to understand about passed pawns at all. I would routinely beat it at 5 seconds a move by trading down, even if I was down material, and pushing pawns. It did not get markedly better if you let it think for a couple of days per move. It was a good machine to go from class E to class B on. bruce
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