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Subject: Re: How make Fritz execute brute force search?

Author: leonid

Date: 18:16:53 07/26/00

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On July 26, 2000 at 20:45:42, Tom Kerrigan wrote:

>On July 26, 2000 at 19:26:03, leonid wrote:
>
>>On July 26, 2000 at 18:42:19, Tom Kerrigan wrote:
>>
>>>On July 26, 2000 at 18:22:47, leonid wrote:
>>>
>>>>On July 26, 2000 at 17:26:01, Tom Kerrigan wrote:
>>>>
>>>>>On July 26, 2000 at 16:59:35, leonid wrote:
>>>>>
>>>>>>On July 26, 2000 at 13:40:32, Tom Kerrigan wrote:
>>>>>>
>>>>>>>On July 26, 2000 at 09:18:41, leonid wrote:
>>>>>>>
>>>>>>>>Hi!
>>>>>>>>
>>>>>>>>How ask Fritz execute brute force search? I have Fritz 6 but if it is possible
>>>>>>>>for some other version (even better DOS version), please say me.
>>>>>>>>
>>>>>>>>Recently I went to see Fritz nodes per second performance. Very impressive! Only
>>>>>>>>maybe I am missing exact numbers. NPS tend to grow when search is done by brute
>>>>>>>>force. This is why I try to find where Fritz numbers stays in real. But Fritz,
>>>>>>>>in dispite of its performance, is not exactly open minded piece of software.
>>>>>>>>Even its NPS I was able to see only through my Hiarcs 7.32 program.
>>>>>>>>
>>>>>>>>Thanks in advance,
>>>>>>>>Leonid.
>>>>>>>
>>>>>>>My search is selective only because of null-move. I believe this is also the
>>>>>>>case with Fritz.
>>>>>>>
>>>>>>>With null move on, my program searches 634k NPS. (BK, short searches)
>>>>>>
>>>>>>
>>>>>>On what hardware do you have 634k? I was very impressed with Fritz numbers only
>>>>>>because they were between 220 and 320k on AMD 400Mhz. Your numbers are almost
>>>>>>twice as fast.
>>>>>
>>>>>Pentium III/800. On a K-6/400 I figure I'd get 350k NPS or so. And that's for BK
>>>>>positions; if I did a 5 second run of WAC, I'd get 780k NPS or so.
>>>>>
>>>>>-Tom
>>>>
>>>>If I am not missing there something, your numbers are better that the Fritz
>>>>have. If you could someday check at what speed Fritz 6 goes on your hardware and
>>>>send me the numbers (best with some concret position), it will be very nice. Or
>>>>just put them here. If you numbers are so good, like I see them, you should be
>>>>really proud to say them in public.
>>>>
>>>>Leonid.
>>>
>>>Sure, I'm proud of the NPS, but at the moment my evaluation function is so weak
>>>that the program isn't competitive with even the stronger amateur programs.
>>>
>>>-Tom
>>
>>Tom, anyway, if you will find few moments, send me, at least, one concret
>>position with Fritz 6 NPS and yours. It will say me what exactly are those
>>numbers. Your sound to me too enigmatic, since they are so good. And if you have
>>them right now, rest is nothing but question of time.
>>
>>Leonid.
>
>I don't own Fritz 6, or any other chess program for that matter.
>
>I write my own; why should I want anybody else's? ;)
>
>-Tom

To compare. To verify your code as well.

Leonid.



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