Author: Uri Blass
Date: 14:54:50 05/08/04
I would like to read some descreption of the book algorithm of different free programs. I am still thinking about the book structure of movei I do not like the solution of Crafty of making all the possible moves and trying to find if one of them lead to a book position. I think that a better solution may be to have some books: book A will include mainly position move information(I think that the decision should be also based on the time control) book B will include mainly position that the program likes and scores for them and may be updated after every game. book C will include positions and their parents and after updating book B may be used to check which positions should be updated in book A. I also think about the learning problem and a possible problem is that a move may be bad for a program at blitz but good for it at longer time control so I am interested to know what programs with learning function do in order not to learn misleading information based on blitz games about longer time control. I will probably add no additional learning in the first version that includes book that know about tranpositions and I will only add book in position move format but I would like to know what is the decision that other amateurs do about book and learning. Uri
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