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Subject: Re: difficult position for most amateurs

Author: Uri Blass

Date: 15:12:13 11/29/02

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On November 29, 2002 at 17:58:22, Will Singleton wrote:

>On November 29, 2002 at 17:30:45, Russell Reagan wrote:
>
>>On November 29, 2002 at 17:22:20, Will Singleton wrote:
>>
>>>[D]2rr3k/1p4p1/1P2b2p/p1Bnpp1q/8/Q1P2PP1/P6P/RB3RK1 b - - 0 26
>>>
>>>Solution times (amd 1.6ghz):
>>>
>>>Yace       not in 5 min
>>>Crafty     not in 5 min
>>>Aristarch  3:48 min
>>>Gromit     3:12 min
>>>Ruffian    44 sec
>>>CM9000     5 sec
>>>
>>>Seems like the strong amateurs are using pruning techniques that cause the
>>>solution to be missed.  Ruffian and Yace have no problem, perhaps they don't use
>>>null move in the way others do?
>>
>>"Ruffian and Yace have no problem"...your results say Yace doesn't get it in
>>five minutes.
>>
>
>Sorry, I meant Ruffian and CM9000 have no problem.
>
>Will

Latest Movei(PIII850Mhz) see fail high in more than 7 minutes
It still did not solve the fail high problem at the time of writing these lines
I guess that it can be translated to less than 5 minutes on amd 1.6Mhz

depth=12 +1.45 d5f4
Nodes: 58146510 NPS: 134826
Time: 00:07:11.27
depth=12 +1.74 d5f4
Nodes: 77088395 NPS: 133820
Time: 00:09:36.06


Uri



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