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Subject: Re: DB just another program

Author: Ernst A. Heinz

Date: 07:06:04 01/27/00

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On January 27, 2000 at 02:45:39, Jeremiah Penery wrote:
>
> [...]
>
>Now, a corollary: Since the tree grows exponentially by a factor greater than
>two (I.e., the branching factor is higher than two, even with good pruning
>schemes.), ...

Not by much, actually -- up to iteration depths of 12-13 plies, the
effective branching factor of state-of-the-art microcomputer chess
programs mostly lies between 2 and 2.5.

With according increases in hash-table size, I am quite convinced
that this is sustainable for some iterations to come.

:-)

=Ernst=



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