Individual Calculations September 2011
 Gupta, Ankit  Total change: -3.30  Rating chartPersonal card
 51st Annual Pacific Southwest Open Los Angeles, California USA 2011-07-02
 2049 2212 0.50 1 -0.22 15 -3.30 
  Nita, Marian N 2049 USA0.501-0.2215-3.30 

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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