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Subject: Re: AlphaBeta,MinMax, and Hash Tables

Author: Robert Hyatt

Date: 18:40:36 02/02/99

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On February 02, 1999 at 19:32:40, Larry Griffiths wrote:

>Thanks for the help a while back with Alpha-Beta and MinMax.
>I did indeed get the same results with or without Alpha-Beta code.
>I want to put Hash Tables back into my program.
>(The last hashtable code made my program play like a drunken sailor).
>
>My new question is:
>
>   Should a hashtable produce the same score as MinMax provided that
>   the scoring only occurs at the leaves?
>   (I will disable my incremental scoring code from branches).
>
>Thanks in advance for your replies!
>
>Larry.


Not necessarily.  Because the hash table can graft parts of the tree together
in interesting and unexpected ways.  Scores can change, PVs can change, and
the node count can change...



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