Author: Thomas Logan
Date: 11:48:25 08/28/05
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On August 28, 2005 at 07:31:44, Henrik Dinesen wrote: >On August 27, 2005 at 17:19:17, Thomas Logan wrote: > >>On August 27, 2005 at 14:40:14, Norm Pollock wrote: >> >>>On August 27, 2005 at 13:19:30, Thomas Logan wrote: >>> >>>>Under edit opening book in chessbase gui is an option to learn from database >>>> >>>>Can someone give me some information on this ? >>>> >>>>Does it permently rewrite the opening book ? >>>> >>>>Any experience with this ? >>>> >>>>Tom >>> >>>I fooled around with this awhile ago. I'm not sure how it works. This is just a >>>wild guess. >>> >>>An opening book consists of a tree of positions together with statistics about >>>frequency of occurrence and wins/draws/losses. When you import a pgn file for >>>example, you get the positions AND the stats for each position put into your >>>book. >>> >>>But suppose you only want the stats without any additional positions put in. >>>Then you would use the "learn" feature. Example of use. >>> >>>Suppose you import a pgn file to make a book. And suppose you have a second pgn >>>file that includes additional positions that you do NOT want to put into book, >>>yet you want the stats in the 2nd pgn file that relate to the positions that >>>occurred in the 1st pgn file. So you "learn" from the 2nd pgn file. >>> >>>Example: You have a pgn file based on games of players 2600+ played during >>>2004-5. And suppose you want to add stats to those positions based on the play >>>of Fischer. So you could "learn" from a pgn of Fischer games, you but have to >>>separate into a white pgn and a black pgn first and "learn" from each so that >>>you only get the stats from Fischer's moves. >> >>Hi Norm >> >>Thanks for the explaination >> >>Tom > > >That was what Alex Schmidt with the Fruit book, made the book learn from Fruit >games. > >Henrik ok thanks for the information Tom
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