Author: Chrilly Donninger
Date: 03:01:45 12/13/05
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> > >Hi Chrilly, > >I find that hard to believe. One setting scores 40% against Rybka and another >75-80% but at the same time the latter scores less against Shredder? You did not >wrote by how much the more selective search scores better against Shredder but >nevertheless in my tests I never experienced something like that. > >I often experience the same like Vas, that a tuning shows significant >improvement in selfplay but no significance against a broad range of opponents. >But I never observed that something which helped in selfplay hurts against other >engines. It may be without effect against others but not worse. > >So far I was never able to tune Fruit against a specific opponent which resulted >in a signficant difference not to say in doubling the score (40% to 80%). So >either I simply lack the understanding how to do this or you played not enough >games to get a statistical significant result and observed just noise. Given the >little time between your first post about Rybka and this one I give both >possibilities the same probability. ;-) > >regards > >Joachim > One explanation could be: As a tester you can only change some settings. But I changed the search on the software-side almost completly. It was additionally tuned against Shredder to play very aggressive. This worked quite good and gave >80% against Shredder. The standard-version is - on a single - 70-75%. Against Rybka this over-aggressive style did not work properly. But the standard-version which is more tuned had no problems with Rybka. Chrilly
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