Individual Calculations August 2012
 Xia, Xiangchen  Total change: -8.70  Rating chartPersonal card
 17th Annual Pacific Coast Open Agoura Hills, California USA 2012-07-19
 2023 2134 1.00 2 -0.29 30 -8.70 
  Stein, Jeremy A 2128 USA0.501-0.0130-0.30 
  Liao, Simone wf1918 USA0.501-0.2830-8.40 

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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