Individual Calculations July 2013
 Sprenkle, David C  Total change: -3.30  Rating chartPersonal card
 2013 Michigan Bottom Half Class Championship Comstock Park, Michigan USA 2013-06-22
RcRownchangeKK*chgGame
 1969 2283 1.50 2 -0.22 15 -3.30 
  Virkud, Apurva 1906 USA1.0010.09151.35 
  Chen, Michael L 2031 USA0.501-0.3115-4.65 

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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