Computer Chess Club Archives




Subject: Re: High NPS vs. Low NPS

Author: Tina Long

Date: 21:35:10 11/25/01

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On November 25, 2001 at 21:19:57, Russell Reagan wrote:

>Why are programs like Chessmaster and Hiarcs, which look at ~75k nps, still able
>to play a decent game with a "high nps" program like Fritz which looks are
>approximately 10 times more nps? Are Hiarcs and CM knowledge based programs
>while Fritz's strength lies in it's speed?

From my non-technical viewpoint you are approximatly correct.

Chessmaster & Hiarcs are examining each node for ten times longer & therefore
must be "thinking" about a lot more things at each node.

I've also noticed that Hiarcs7.32 goes longer in its extensions than Fritz6.
eg: Hiarcs will after say 2 minutes have looked at 8/31 while Fritz has looked
at 10/29.  I have no data, I just think I've noticed that.

It sounds (from posts here)like Fritz7.001(MMX) is more knowledge based &
therefore slower than Fritz6.

Tina Long

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