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Subject: Re: Branching factor, make me confuse more that ever.

Author: Tom Kerrigan

Date: 21:06:03 04/02/00

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On April 01, 2000 at 13:38:00, leonid wrote:

>Hello!
>
>Maybe you could take me out of my endless confusion about "branching factor".
>Confusion come from the way that you can compare two different games. Would like
>your help in finding useful numbers about this factor.

You are taking a totally different approach to computer chess than everybody
else in the world.

You are driving a boat when everybody else is driving a car.

This is fine, but the problem is that you are insisting on comparing your boat
to everybody's car. You're trying to equate sail size to wheel diameter. It's
possible, but it couldn't be more useless.

Your program does not do quiescence searches, it does not do extensions, it
probably doesn't do iterative deepening, etc. Comparing your program to other
programs which DO have these features is not productive.

Until you decide to add these features, you should simply concentrate on
improving your program and not worry about what other people are doing.

If you have to know, here's how you can compute your branching factor: count how
many moves you search at each node. Divide by the number of nodes.

-Tom



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