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Subject: Re: Alpha/Beta adjustments via the hashtable or why Fritz 7 has messy PV's

Author: Miguel A. Ballicora

Date: 23:19:13 12/02/01

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On December 02, 2001 at 21:35:13, Gian-Carlo Pascutto wrote:

[snip]

>For a user, it should not actually matter _at_ _all_, because one
>should never trust or use anything but the first move in the mainvariation
>anyway.

It matters a lot for an "advanced" player, i.e. somebody that analyzes
a position with the "help" of a computer rather than analyzing a position
"with" a computer.

>I find it redicolous that people here are complaining and calling
>the Fritz 7 engine buggy (let's just not talk about the GUI ;) because
>it does this, while I never saw anyone complaining about, for example,
>Anmon, which displays much worse mainvariations because it uses similar
>tricks.
>
>It's a design tradeoff. If you don't like it and want different
>tradeoffs (like an >10% slower Fritz) complain to ChessBase.

>But _don't_ call it a bug, because it isn't.

If the PV they show is incorrect and they know it, they better not show it.
Besides, your explanation is good but it is still a speculation. It could still
be a bug.

>GCP (not paid by ChessBase, just fed up with the reigning 'I don't understand it so it must be broken' attitude)

Customer is always right :-)

I do not own a commercial chess program. Someday I will buy one, but it won't be
one that shows sloppy PVs.

Regards,
Miguel



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