Author: James T. Walker
Date: 07:49:03 09/06/00
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On September 06, 2000 at 10:35:38, Robert Hyatt wrote: >On September 05, 2000 at 23:27:23, James T. Walker wrote: > >>On September 05, 2000 at 16:28:34, William H Rogers wrote: >> >>>On September 05, 2000 at 14:37:16, Vladimir Sokolov wrote: >>> >>>>It is noticed that many chess programs use automatic learning. >>>>If an operator lets his computer run at night, in the weekends and vacations, >>>>then after a few weeks, months the learn files will become stronger. >>>>Can a weak free program this way become stronger than a raw strong commercial >>>>program ? >>>>Can programs after a while use moves, lines and strategies that they did not >>>>know or were not in their memory or book in the beginning but learned from other >>>>programs by playing against them ? >>>>Are these moves automatically imported in their books or must the operator >>>>import them or run the analysis of the games ? >>>>Are there programs running on the chess servers that continuously automatically >>>>play against all challengers and how can players import the learning of those >>>>programs into their own programs ? >>> >>>It my understanding,and I may be wrong, that automatic learning only applies to >>>the programs opening books, that is their opening books get better with >>>automatic learning, and not the program. Some programs can share books but not >>>all. Very few, if any, programs change their logical evaluations based upon a >>>learning module. If I misunderstood you post, I am sorry, if I did understand >>>then I hope that the above explains it to you. >>>Bill >> >>I believe some programs also have learning functions which apply to the middle >>game/endgame. Hiarcs comes to mind. It has a file for this which grows to 64K >>and then stops growing. I assume it then ejects the oldest positions learned >>for the newer ones. >>Jim > > >Position learning really won't help in endgames, unless you have a "magic >bullet" you can use to reach the same endgame over and over. In chess, this >would be nearly impossible to do. > >It does help when you get taken out of book, at the same point, repeatedly... >That is the reason I implemented it myself. IE if someone plays 1. a3 and >2. h3, everybody will be out of book quickly. Now you can re-play the same >game over and over (on a server) and clean the program's clock by doing so. >With position learning, it still will vary enough that this won't work very >well. Thanks for your input Bob. I'm sure you are right about the endgame part. Also I believe it was Nimzo 99 that has the learning file and not Hiarcs. I believe Crafty also has something similiar. Jim
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