Author: Kirill Kryukov
Date: 19:47:03 02/12/06
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Hi Heinz, On February 12, 2006 at 19:04:55, Heinz van Kempen wrote: >Hi, > >the explanation of differences is more likely to be explained from too few >games, than from giving more time. Even compared with Blitz we have very few >differences for engines. Going to longer time controls mainly has the effect to >be unable to test a lot of engines and versions, especially more amateurs. Both different number of games and different time control are likely the reason of differences. It is known that some engines can benefit more from longer time than the others, resulting in rating differences. Otherwise we would all test in blitz and be happy with that. >So CEGT will resist to do that except from tournament time control games not >used for statistics but for investigation of opening systems and for giving >some high quality games. CEGT is doing very interesting and valuable testing. I hope you will continue, because by looking at the ratings at different time control we will see the more clear and complete picture of engine performances in diffferent time control. The whole community benefits from having so many and so different approaches to testing, and I hope we will all keep working and discussing for the common good of computer chess. >As we have totally different concepts and because of the history all this has >had I would suggest to avoid any comparison between our groups, at least from >CCRL people. We did not do this from our side and it would be fair that you also avoid it. This is an open field. Comparison is one of most natural ways to progress with the study and discussion about engine performances. If you don't want your results to be compared with other studies, then you should not publish them. Do you ask this to us only, or also to other groups? Did you ask SSDF to not compare with CEGT also? If not, then what's special about our group? We are all just enthusiasts working for the common good of computer chess, we can learn more if we keep friendly discussions and open mind. I hope we will keep pieceful and friendly discussion, because a lot can be learned from engine testing in different time controls, and because our teams have very similar conditions other than that, so it would be natural to work more closely together. Best, Kirill
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