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Subject: Re: MINMAX verses ALPHA-BETA

Author: KarinsDad

Date: 15:51:51 01/20/99

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On January 20, 1999 at 18:24:12, Larry Griffiths wrote:

>Bruce, KarinsDad,
>
>Thanks for the wealth of information.
>
>I am running the AB and the MinMax to the same Depth.

I thought you were. I just didn't want you running down a bunch of paths without
checking the obvious first.

>The problem occurs with my capture extension code.
>I go to MAXDEPTH and decide that I want to extend captures so
>I go deeper into the tree.
>All moves are generated at the next ply but only
>Capture moves are actually made.
>If there are no captures, then it is considered a leaf node
>and I evaluate and return the score.
>My belief is that both AB and Minmax should return the same score
>even when AB and MinMax  only do Captures after MAXDEPTH.

This belief would seem correct. With it failing, it implies that either AB or
Minmax is not really extending captures or you have some other problem in your
extension code.

>
>Any further comments are welcome!
>
>Larry.



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