Individual Calculations July 2009
 Cachay, John J  Total change: -23.75  Rating chartPersonal card
 2009 Lina Grumette Memorial Day Classic Los Angeles, California USA 2009-05-23
 2086 2066 0.00 2 -0.95 25 -23.75 
  Faber, Craig Allen 2127 USA0.001-0.4225-10.50 
  Kitagami, Show 2045 USA0.001-0.5325-13.25 

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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