Individual Calculations September 2009
 Zhang, Shengyun  Total change: 0.50  Rating chartPersonal card
 2009 China Men's Individual Championship Group B Zhuhai CHN 2009-08-05
RcRownchangeKK*chgGame
 2394 2105 0.50 3 0.02 25 0.50 
  Yang, Kaiqi m2427 CHN0.001-0.1325-3.25 
  Lou, Yiping 2406 CHN0.001-0.1525-3.75 
  Qiao, Liang f2349 CHN0.5010.30257.50 

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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