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Subject: Re: Engines for deep analysis?

Author: Peter Berger

Date: 04:08:25 04/30/03

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On April 30, 2003 at 05:29:44, Uri Blass wrote:

>On April 29, 2003 at 17:52:27, Peter Berger wrote:
>
>>On April 29, 2003 at 17:31:46, Jarkko Pesonen wrote:
>>
>>>You can extend search time in analysis by command: st time_in_milliseconds
>>>e.g. st 8640000
>>>and search will continue for 24 hours
>>>
>>>i.e if I remenber correctly
>>>
>>>
>>>Jarkko
>>>
>>>P.S.
>>>Ruffian is incredible
>>
>>Yes, this should definitely work if you use Ruffian in text modus (and it is
>>pretty clever ;) ). According to the author current public version of Ruffian
>>interprets analysis as "Game in 833 hours", next one won't.
>>I have only used Ruffian as an UCI engine so far or in engine matches with
>>WinBoard but I will give your tip a try when I feel like letting it analyze
>>forever next time.
>>
>>And yes, I agree that Ruffian is _really_ incredible, not only when compaired to
>>other free programs! Especially with slow timecontrols.
>
>Does Ruffian do better at long time control relative to the best commercials
>programs (Shredder7.04 and chessmaster9000).
>
>I doubt it.
>

IMHO it is possible to play weaker than the best commercials and still be
incredible, especially for a program that is free.

On my computers Ruffian played more successful in engine matches against other
WinBoard programs at slower time controls compaired to Blitz.

But I am most impressed by its analysis abilities with deep searches,especially
its evaluation looks very accurate, but that can't really be tested IMHO, nor am
I interested to do such a test.



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