Author: Ed Schröder
Date: 00:57:11 11/08/04
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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. Hi Gerhard, There is an even more easy way. Run List vs List or Ruffian vs Ruffian, in other words let engines play against itself. As we are playing with reserved colors each 2-game cycle should produce indentical games. Not so in blitz as I tried to explain in the former discussion. BTW, I repeated my own experiment: own_enine_loaded_at_program_start versus ProDeo_loaded_at_program_start at (40/20), thus 30 secs average. I only played 150 games but surprise surprise the effect did not occur. There was only a 1 point difference in score! Ed
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