Author: George Sobala
Date: 03:07:30 01/30/05
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Ok, I get it. All your ELOs are derived from the Playchess server, and represent individual users' ELOs with their machine / engine combinations. Where exactly do you get this data? Please give me a url or guide me through the Playchess menus. However I am afraid I still believe that your approach is seriously flawed. All it takes is one person to play for a while with an engine on a P200 and that will produce a very low lower limit ELO for that engine and drag it down the charts. Furthermore people playing with expensive top-end machines are generally power-mad and rating-hungry and are very unlikely to play games with engines below the top five. So weaker engines rarely get the benefit of top hardware. However you may get slightly more meaningful statistics by introducing a lower limit of number of users for each engine: e.g. only allow it into the charts if at least 40 different people have each played more than 50 games with it. That would tend to average out the hardware strength a bit better. I don't know whether you can do that with the raw data available.
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