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Subject: Re: (EXAMPLE WILD5 POS) How long will your program take to find Nf2+

Author: leonid

Date: 13:56:10 08/28/00

Go up one level in this thread


On August 27, 2000 at 10:51:57, Michel Langeveld wrote:

>On August 27, 2000 at 10:47:17, Uri Blass wrote:
>
>>On August 27, 2000 at 10:38:36, Michel Langeveld wrote:
>>
>>>On August 27, 2000 at 10:18:19, Uri Blass wrote:
>>>
>>>>On August 27, 2000 at 09:41:32, Michel Langeveld wrote:
>>>>
>>>>>On August 27, 2000 at 08:36:35, Uri Blass wrote:
>>>>>
>>>>>>On August 27, 2000 at 08:19:39, Michel Langeveld wrote:
>>>>>>
>>>>>>>I think the fastest mate-solver is Chest... but what's the fastest mate-finder?
>>>>>>>
>>>>>>>Michel Langeveld
>>>>>>
>>>>>>I think that you should give test positions and everybody can check.
>>>>>>
>>>>>>Uri
>>>>>
>>>>>(mate in 7)
>>>>>1QBK1Q1R/P1PPP2P/6QB/8/4N3/2n4n/p1kpp2p/rqb1qqr1 w - -; bm Nf2+; ce 32754; dm 7;
>>>>>pv Nf2+ Rxg6 Qf5+ Ne4 Qxe4+ Kc3 Bg7+ Rxg7 Qe5+ Kc4 Ba6+ Qb5 Qbxb5#;
>>>>
>>>>An easy position
>>>>Chessmaster6000(ss=10) solved it in 1 second.


Probably it was solved by selective search and not by brute force. But even by
selective search, I would like to know how much time it took. One second is just
too tiny moment to see what it exactly say. It could be less or more then one
second. If you could, please, try this position with same chess program on slow
computer. If you could find 486 50Mhz, it will be ideal. I just tried with my
program (llchess) this position on 486 50Mhz laptop. Time for selective search
was 0.33 sec. Mate was found in 7 moves.

Leonid.




>>>>Uri
>>>
>>>Can ChessMaster6000 writes his output to an epdfile?
>>
>>I do not know.
>>I do not use her for this purpose(I used the word her only because you used the
>>word his and the right word should be it).
>>
>>
>>Uri
>
>Thanks for the correction.
>I'm astonished about the speed of your CM6000.
>btw: What does ss mean?
>
>Michel



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