Individual Calculations May 2014
 Gertler, David  Total change: -13.95  Rating chartPersonal card
 44th Annual Amateur Team East -World Amateur Team Parsippany, New Jersey USA 2014-02-15
RcRownchangeKK*chgGame
 2241 2239 0.50 3 -0.93 15 -13.95 
  Lee, Michael f2388 USA0.001-0.3015-4.50 
  Crump, Alexander J 1924 USA0.501-0.3615-5.40 
  Vigorito, David m2412 USA0.001-0.2715-4.05 

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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