Author: Albert Silver
Date: 05:19:26 11/07/04
Go up one level in this thread
On November 07, 2004 at 06:50:58, ThatsIt wrote:
>Hi to all !
>
>Because of Eds remarks about my former experiment
>(i cannot find the ccc-link now, the results can be seen on
>www.pcschach.de) i've done it once more, this time with
>40moves/8min. + 40/8 + 40/8... and 80 startpositions (write protect)
>= 160 games per match.
>Both, ruffian and list, don't produce learnfiles.
>64MB HTs, 4erTBs, ponder=off
>
>1. Match ruffian 2.1.0 vs list 5.12
>75.0 - 85.0 (50-50-60)
>
>After that the procedure was always the same:
>i moved the databasefiles onto a floppydisk and delete
>them on the harddiskdrive.
>Then i shutdown the machine and wait for exact 5 minutes.
>Afterwards i turned on the machine, wait until the pc was
>ready, doubleklick the CB-Symbol (first engine which were
>loaded on the start were always crafty 19.13).
>Now the tournament with the two engine has been started,
>ruffian as fist engine, list as the second.
>
>repetition # 1
>78.5 - 81.5 (46-65-49)
>no great difference in the final result but look at
>the changes in the win-draw-lost statistics !
>
>...same procedure...
>
>repetition # 2
>83.5 - 76.5 (52-63-45)
>now the match result has turned !!
>
>For me it looks like a lottery.
>Or is the choosen timecontrol sill to low ?
>
>at the moment the third and last repetition is running
>
>Best G.S.
I'd try slower games and see if the games are reproduced, including times and
evaluations. When playing matches in my 30-minute games, i expect the games to
be reproducible, and as far asI can tell they are. I have run the test a couple
of times, by haveing a game go some 30 moves, stop it, copy the game somewhere,
erase the moves and have it start again. If it repeats, then great. The only
engine that changes on me consistently is Aristarch 4.50, and yes I turn off the
learning, so I've stopped using it despite liking the engine.
Albert
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