Computer Chess Club Archives




Subject: Re: Hashing double bounds

Author: Dieter Buerssner

Date: 13:58:19 06/20/05

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On June 20, 2005 at 16:55:26, Robert Hyatt wrote:

>This is more common for mtd(f) programs, since the same position may fail high
>one search, and low the next, as the window passes over the true score.  For
>non-mtd(f) programs, two bounds is worthless.

We could read here, that Fabien is using 2 bounds for a non MTD(f) engine. I
myself tried it, and I failed to make progress by it. Actually, the contrary
happened :-( For a while, I tried hard to find out, why this happened - then I
just gave up.


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