Individual Calculations July 2009
 Akopian, Robert  Total change: 0.75  Rating chartPersonal card
 2009 Lina Grumette Memorial Day Classic Los Angeles, California USA 2009-05-23
RcRownchangeKK*chgGame
 2138 2117 1.00 2 0.05 15 0.75 
  Landaw, Julian W 2286 USA0.001-0.2815-4.20 
  Hough, Randall D 1990 USA1.0010.33154.95 

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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