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Subject: Re: Branching factor

Author: Daniel Kang

Date: 11:37:45 11/21/00

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On November 21, 2000 at 09:31:33, Sven Reichard wrote:

>On November 20, 2000 at 23:24:49, Daniel Kang wrote:
>
>>Also, alpha-beta pruning allows one to arrive at a correct minimax solution
>>without having to search the entire tree, so your math is a bit off there as
>>well.

>It still needs to search (b/2)^n nodes, if b is the branching factor, and n is
>the depth in plies, *even assuming* optimal move ordering. So the math wasn't
>that much off after all.
>Sven.

I'm not sure what your point is.

That's a huge difference in complexity (assuming, of course (sqrt(b))^n or
b^(n/2)). Saying it was "a bit off" was probably too generous.

Dan.



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