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Subject: Re: Hmmm...

Author: Severi Salminen

Date: 13:29:06 02/26/01

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>I not so sure about my figure 8.5 anymore. In fact I think the
>probability that it is correct is pretty low... I locked on
>that solution immediately and then it's hard to change
>ones mind. So concerning the theoretical number derived
>from a branching factor, forget what I said (I'll maybe
>come back). My advice is still to use measured numbers.
>This is what I do myself. It has the additional benefit
>of avoiding my sloppy calculations :)

I think the point of the original message was to make a decent test that
measures the speed of movegen+makemove. So, if modern chess programs have
effective branching factor of about 3 (maybe 2-4) it is wise to generate all
moves and make and unmake three of them. This has nothing to do with critical AB
tree but normal searching conditions. I'd guess 3 would be good approximation.

Severi



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