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Subject: Re: Engines for deep analysis?

Author: Uri Blass

Date: 02:29:44 04/30/03

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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.

Note that it is possible to do matches with time handicap under chessbase
and I think that it may be interesting to run a match betweem
Ruffian and Shredder7.04 when Ruffian get time advantage of 3:1 when after every
game you play the same opening with opposite colors.

It may be interesting to know if Ruffian can get better results at slow time
control and if Ruffian can beat shredder or the king under these conditions.

Match with equal time control are not interesting enough(Ruffian could get only
35% in these conditions against chessmaster9000).

Uri



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