Individual Calculations July 2009
 Landaw, Julian W  Total change: 4.95  Rating chartPersonal card
 2009 Lina Grumette Memorial Day Classic Los Angeles, California USA 2009-05-23
 2042 2286 3.50 4 0.33 15 4.95 
  Zhang, Eric R 1936 USA0.501-0.3915-5.85 
  Hough, Randall D 1990 USA1.0010.15152.25 
  Kurosaki, Takashi 2125 USA1.0010.29154.35 
  Akopian, Robert 2117 USA1.0010.28154.20 

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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