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Subject: Re: What chess program has the highest nodesper second?

Author: Uri Blass

Date: 14:56:28 04/07/03

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On April 07, 2003 at 15:23:06, Steve Maughan wrote:

>Uri,
>
>>Modified Movei can get the highest nodes per second.
>>I only need to change the definition of nodes but I am too lazy to do it so it.
>
>Do you mean perft speed which I know is fast in Movei? What do you put the speed
>down to - the legal move generator?

I count only moves that I make.
If I decide to count moves that I generate(I know them to be legal) then movei
can be a fast searcher.

>
>>Note that not all programs define nodes in the same way.
>
>I have heard that some programs include null moves in their node speed i.e.
>increment nodes when you 'make' a null move.  Is this what you mean?
>
>Regards,
>
>Steve

Yes

null move is one case and another case is pseudo-legal moves that are illegal
moves.

Uri



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