Individual Calculations February 2014
 Vilahu, Vilmelys  Total change: -6.60  Rating chartPersonal card
 2013 PanAmerican Intercollegiate Chess Championship Lubbock, Texas USA 2013-12-27
 2123 1895 0.00 2 -0.44 15 -6.60 
  Chiang, Michael 2200 USA0.001-0.1415-2.10 
  Cassidy, Brian H 2046 USA0.001-0.3015-4.50 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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