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Subject: Re: Trivial alfa-beta question

Author: h.g.muller

Date: 12:46:41 02/18/06

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I think the quoted formua (5x sqrt) is even the optimum alpha-beta result, for
perfect move ordering. So move-ordering heuristic can not be one of the reasons
that current engine visit less nodes. This reflects they also prune nodes that
in principle could affect the value of the root, if they had a very surprising
evaluation that you could not guess from the branch leading to it.



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