Author: Bob Durrett
Date: 18:07:44 08/04/03
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On August 04, 2003 at 18:25:41, Derek Paquette wrote: >Hello board, >Question for whoever might know, >1. I have many databases for games and what not, when I decide to use my >chessbase GUI to 'learn from database' for my openning book, does it consider >the ELo's of the players and the results and then STORES them in a file? So if >I were to learn from a seperate Data base 'nothing' might change because those >players were of a lower elo? I've noticed that after i scan different data >bases a lot of my opennings change, does it just completely forget about all the >other data it learned? or does it 'merge' them. > >and Second > >2. Priority Analysis, which ever database or game I decide to use, that will be >used correct? elo and things like that will not be considered right? > >Sorry one more thing, damn... >Sometimes on certain databases of Gm's, I get "Error writing to Tree" >I have plenty of disk space and it only happens with a certain database, but it >just started, >my guess is that somehow my opening book to screwed up a bit and it can't change >a certain weight of a move, ???? > >Thank you for all your help I cannot answer your computer questions but wish to emphasize the imperative that you do not try to learn from any large database. First create an empty database called "top GMs." Then use the filter to identify all recent games of players having ratings above 2600. When you get the list, then copy it into your new empty database. From that point on, you work only with the new "top GMs" database you created. Perhaps you should perform a similar process to create much smaller databases from your "top GMs" database. For example, you could create a database of recent top GM games in which one of your favorite opening lines was played. That should reduce the number of games being "learned" to a much more manageable size. Perhaps you should also filter your "top GM" database to create a new database including only games which are annotated. Before "learning," I would suggest study of each game individually. That is because post-mortem analyses often identifies better moves. You would not want your opening book to be updated using faulty games. Another suggestion is that you truncate remaining moves in each game to get new games containing only the opening moves you wish to "learn." There are experienced "book makers" inhabiting, or "lurking in" this bulletin board! They could offer more and better suggestions based on much experience. Bob D.
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