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Subject: Re: Ruffian still the strongest amateur?

Author: Jim Bodkins

Date: 12:37:48 06/02/03

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On June 02, 2003 at 05:12:05, Uri Blass wrote:

>On June 02, 2003 at 03:15:57, Ryan B. wrote:
>
>>My tests against a wide range of engines all run in tournaments of random time
>>controls show List 5.04, Yace, and Amy to all be stronger than Ruffian running
>>on a Duron 800 all games with 24 mb hash.
>>
>>Ryan
>
>I think that something must be wrong in your tests because Yace and Amy are
>significantly weaker than Ruffian based on Leo's tournament and we are not
>talking about a small difference.
>
>Maybe Ruffian has problems when it does not run under winboard.
>I know that Ruffian impressive results in Leo tournament were achieved under
>wonboard.
>
>I found in tests with a version of movei that it may show a different behaviour
>under Fritz and under winboard in one of the nunn matches.
>
>I used versions that search fixed number of nodes so the time control is not an
>excuse.
>
>For playing 2 games of the nunn2 match I simply wrote movei a book with only one
>line(the line of the nunn2 match game 4).
>
>Under winboard I had no problem to play 2 games.
>Under Fritz the first game was finished in a mate for one program like under
>winboard but in the second game one of the versions showed an illogical pv
>and stopped to respond(I used 40 minutes/40 moves but the time control is not
>very important when the program searches only 81920 nodes).
>
>The behaviour is reproducable.
>
>The first game was not adjudicated but was finished in a mate so the tendency of
>Fritz to adjudicate games
>cannot be an excuse.
>
>Uri

My experience as well. (Although I generally prefer the "game" played by Yace PB
to Ruffians knife fight :) Ruffian normally dominates Yace PB).




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