Author: Robert Hyatt
Date: 20:08:42 01/06/00
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On January 06, 2000 at 20:22:58, Mike S. wrote: >Dear chess programmers & fans, >since the use of larger and larger opening books and endgame databases with >"dynamic" access increases, I would like to ask if I have to fear that knowledge >(within the engine) is in danger to be replaced by databases? >In other words, do programmers rely for example that an opening book is always >used so that some sophisticated opening knowledge could be left away to gain >speed for the search? The struggle for speed and ply depth is of course >important for good chances in (direct) competitions with other programs, but >from the viewpoint of a fan and customer, I wouldn't like the knowledge to be >reduced. >I have no evidence of that, but it's also hard to say because the programs are >much different in knowledge anyway. I.e., in the opening, basics like not >bringing the queen out too early or to avoid blocking the d2-pawn with Bd3 etc., >would surely be kept in the program but advanced things like center or tempo >related matters are also implemented often I think. At least this is my >impression, as the programs seem to have been improved much for the opening when >they are "out of book" early. It would be sad if this would be sacrificed for a >few percent more in the results of computer matches. >It's similar in the endgame. I think most programs know that KNN-K is a draw. >But when such built-in knowledge was removed, and the user doesn't have or use 4 >piece tablebases (maybe because he doubts if they won't reduce calculating speed >too much, as I do), the program would be "silly" again... I'm afraid of that. > >Hopefully there is no such danger? Please tell me. > >Regards, >M.Scheidl I can't answer for others, but I can answer for myself. I haven't been doing this. In addition to adding tablebase support to crafty, plus new and more complex opening book stuff, I have also added significant amounts of new knowledge over the past few years. I have gotten slower, not faster...
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