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Subject: Re: Crafty's new or old?

Author: Dann Corbit

Date: 20:08:21 02/11/00

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On February 11, 2000 at 22:49:25, Tom Kerrigan wrote:

>On February 11, 2000 at 19:48:09, Dann Corbit wrote:
>
>>You can't tell how strong a program is by counting how many nodes it examines.
>>Turn off NULL move and it will search more nodes with less effect, for instance.
>> Remove all positional checking and it will search even more nodes.  By a
>>judicious removal of tests, you could probably double the node counts and halve
>>the playing strength.
>>
>>The proof of the pudding is in the eating.  Play a 500 game match between two
>>versions and tell us how it turns out.  Use separate machines, and turn
>>pondering on.
>
>While this is all correct, it seems to have very little to do with the original
>post.

Hmmm...

I must not have understood what he wanted.

He showed a table of NPS for various crafties.

The fastest version completed the bench 1.076 times faster than the slowest one.

He asked which was the best.

I said you can't just count nodes to know the answer.

What do you think he was asking?




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