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Subject: Re: KNs in J9

Author: Harvey Williamson

Date: 17:40:28 12/18/04

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On December 18, 2004 at 18:21:08, Uri Blass wrote:

>On December 18, 2004 at 17:47:24, Harvey Williamson wrote:
>
>>I left my computer on infinite analysis looking at the following position. I
>>noticed after about an hour when Junior was searching at depth 18 that the kns
>>had dropped from over 2000 to under 300!
>>
>>Why would that be?
>>
>>
>>
>>1. Nf3 d5 2. d4 c6 3. c4 e6 4. Qc2 Nf6 5. Bg5 dxc4 6. Qxc4 b5 7. Qc2 Bb7 8. e3
>>Nbd7 9. Nbd2 a6 10. a4 Rc8 11. Be2 c5 12. d5 exd5 13. axb5 a5 14. O-O c4 15. e4
>>dxe4 16. Nd4 *
>
>Most programs do not know to count nodes or to calculate nodes per second
>correctly when the number of nodes is bigger than 2^32.
>
>If you give it to search for an hour then it is natural to get more than
>2^32 nodes.
>
>Uri

Thanks Uri!

I have only ever noticed this with J9 but I guess from what you say all is
probably ok?



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