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Subject: Re: Evaluation functions

Author: Ricardo Gibert

Date: 19:38:25 06/13/01

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On June 13, 2001 at 21:29:10, Robert Hyatt wrote:

>On June 13, 2001 at 19:30:21, Ricardo Gibert wrote:
>
>>On June 13, 2001 at 19:05:44, Gavin Dolling wrote:
>>
>>>I am slowly evolving a chess program, it is fairly basic - it uses bitboards,
>>>alpha-beta, transpostion table, etc. However it is seriously hampered by a poor
>>>evaluation function. I have surfed a lot and found tantalising references to
>>>pawn structure, open files, but no actual data so I am a bit lost as to where to
>>>begin.
>>>
>>>At the moment it scores plus or minus infinity for a win or lose. It evaluates
>>>pieces on the board but not their position. It used to seek to restrict the
>>>king's movement but this seemed a rather shortsighted strategy in practice. It
>>>is quite strong in gaining pieces but weak otherwise.
>>>
>>>Could someone give me some pointers or point me at a good introduction on the
>>>web? Whilst this is certainly a black art I should think there must be some good
>>>basic ideas I am missing.
>>>
>>>Thanks,
>>
>>This may help:
>>
>>http://www.ics.uci.edu/~eppstein/180a/990114.html
>>
>>>
>>>Gavin.
>
>
>Also, if you live in a large city, try the library (or inter-library loan) to
>see if you can find a copy of "Point Count Chess".  I don't recall the author.

The author is I. A. Horowitz



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