Individual Calculations February 2014
 Ding, Kimberly  Total change: 7.20  Rating chartPersonal card
 46th Annual Liberty Bell Open Philadelphia, Pennsylvania USA 2014-01-17
 1939 1946 1.50 2 0.48 15 7.20 
  Yu, Jennifer wf1868 USA0.501-0.1115-1.65 
  Opaska, Michael P 2010 USA1.0010.59158.85 

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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