Author: Christophe Theron
Date: 12:01:19 09/26/00
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On September 26, 2000 at 09:31:30, Bas Hamstra wrote:
>It seems the current LG versions are nps wise down to slightly faster than
>Crafty :) I play it all the time at FICS. It seems is evolving to a slower and
>more knowledgable program. As is mine, BTW :)
>
>On September 25, 2000 at 01:38:15, Jouni Uski wrote:
>
>>In my moderate AMD K6-2 450Mhz and 50 MB hash it exceeds easily 1000knps in
>>tactical positions and sometimes goes over 1300knps. Of course I know this means
>>almost nothing to playing strength, but still it's unbelievable. I wonder can
>>it be true nps value or has Michael B. his own node definition...
>>
>>Jouni
Don't mix up "slower NPS" and "more knowledge". They have nothing to do with
each other.
In my example, I have said how I could make Tiger much faster just by turning
off some obvious selection schemes. If I turn these selection algorithms back
on, then the program is suddenly much slower. It is also much stronger.
But the amount of "knowledge", as most people understand by "knowledge" has NOT
changed at all. I mean that the evaluation of chess positions is still exactly
the same. If the program does not understand a knight outpost in the fastest
version, then it still does not understand it with the slower version.
When a new version of a known program is released, some people will look at the
NPS and say "Oh, the NPS of the new version is lower, so I guess more knowledge
has been added to the program". Bullshit.
Christophe
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