Individual Calculations January 2011
 Wang, Doudou  Total change: -0.75  Rating chartPersonal card
 Younger Chinese Chess League Division A round16-18 Beijing,China CHN 2010-11-02
RcRownchangeKK*chgGame
 2363 2183 0.50 2 -0.05 15 -0.75 
  Zhao, Xue gwg2474 CHN0.001-0.1515-2.25 
  Zhang, Jilin wg2252 CHN0.5010.10151.50 

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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