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Subject: Re: question about the book and learning algorithm of different programs

Author: Robert Hyatt

Date: 19:10:48 05/08/04

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On May 08, 2004 at 21:57:23, William Bryant wrote:

>On May 08, 2004 at 20:49:21, Robert Hyatt wrote:
>
>>On May 08, 2004 at 17:54:50, Uri Blass wrote:
>>
>>>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.
>>
>>Go to my web site and look at the book learning paper.  It gives lots of ideas
>>about various problems and solutions...
>>
>>>
>>>
>>>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
>
>Bob,
>
>Sorry to be difficult,  but unless I am looking in the wrong place, I can't find
>this or
>your paper on bitboards.
>
>Are they folded into the crafty.pdf?
>
>William


No.  Go to www.cis.uab.edu.  click faculty/staff.  click hyatt.  Click "Robert
Hyatt's home page".  Scroll down and look for "online papers".  Or try going
here (I am not certain this will work):

http://www.cis.uab.edu/hyatt/pubs.html

Bitmaps, book learning, DTS, crafty documentation, chess board representations
including bitmaps and 0x88, etc...



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