What’s in a Skill Level?
February 20th, 2009 Mithun Mukherjee Posted in Education, General
By Kevin Klipstein, CEO, US Squash
“Since the conversion to an online system in 2004, the Association has been focused on improving the accuracy of the Adult ratings and rankings. The Junior ratings and rankings had initially received more attention than the Adults due to the large quantity of data and large tournament playing base. When the rating structure was converted to an online, more dynamic system, there were still many gaps for Adults. The skill level ratings for most players had been assigned by rating “verifiers”, some more accurately than others. All of the playing data in the system was from tournaments, which means there was not much data. There were also limitations in the system, such as if a player did not have an assigned rating, there was no rating exchange with a player who did, reducing the opportunities to increase the accuracy of the system. Finally, since some ratings were way off, either too high, or too low, the inaccuracies persisted, and in fact got worse in some cases. A player who was initially “over-rated” skewed every other players’ ratings in the calculation since it was inherently an inaccurate predictor of the outcome of the match…….”



“Since the conversion to an online system in 2004, the Association has been focused on improving the accuracy of the Adult ratings and rankings. The Junior ratings and rankings had initially received more attention than the Adults due to the large quantity of data and large tournament playing base. When the rating structure was converted to an online, more dynamic system, there were still many gaps for Adults. The skill level ratings for most players had been assigned by rating “verifiers”, some more accurately than others. All of the playing data in the system was from tournaments, which means there was not much data. There were also limitations in the system, such as if a player did not have an assigned rating, there was no rating exchange with a player who did, reducing the opportunities to increase the accuracy of the system. Finally, since some ratings were way off, either too high, or too low, the inaccuracies persisted, and in fact got worse in some cases. A player who was initially “over-rated” skewed every other players’ ratings in the calculation since it was inherently an inaccurate predictor of the outcome of the match…….”





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