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Subject: Re: NPS, EBF, Knowledge and Elo

Author: Dann Corbit

Date: 20:54:08 08/14/03

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On August 14, 2003 at 22:40:04, Ricardo Gibert wrote:

>If doubling NPS (all else being equal) produces a roughly 40 to 75 elo strength
>increase, then doubling knowledge produces how much elo strength increase?

How do you measure doubling of knowledge?  I doubt if anyone can measure it.

>Or do increases in knowledge follow a completely different type of relationship
>to playing stength?
>
>What impact on NPS does a doubling of knowledge have? I know it slows it down,
>but what is the relationship (a rule of thumb) between the 2? It is said that
>adding knowldege in hardware does not exact a speed penalty, but can this really
>be true? Or is the speed penalty simply less apparent?

It may be possible to double knowledge and NPS at the same time.

>How much attention should a programmer give to lowering the EBF of his program
>versus adding more knowledge?

Just pick a single move.  EBF is one.   In other words, any reduction in EBF
must be smart or it may do more harm than good.

>I'm curious about the different opinions programmers have on this topic. My
>assumption is the answers to these questions can have a big impact on computer
>chess program design.



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