Individual Calculations July 2009
 Zhang, Eric R  Total change: 56.00  Rating chartPersonal card
 2009 Lina Grumette Memorial Day Classic Los Angeles, California USA 2009-05-23
 2132 1803 3.00 6 2.24 25 56.00 
  Landaw, Julian W 2153 USA0.5010.39259.75 
  Casella, Michael f2153 USA0.5010.39259.75 
  Faber, Craig Allen 2127 USA0.5010.37259.25 
  Pilnick, Carl 2126 USA1.0010.872521.75 
  Yanayt, Eugene f2153 USA0.5010.39259.75 
  Yee, Michael Anthony 2078 USA0.001-0.1725-4.25 

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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