Individual Calculations September 2015
 Ni, Shiqun  Total change: 9.80  Rating chartPersonal card
 2015 Chinese Chess league Division A (12-15) Zhe Jiang CHN 2015-08-19
RcRownchangeKK*chgGame
 2382 2389 2.00 3 0.49 20 9.80 
  Zhao, Xue gwg2533 CHN1.0010.692013.80 
  Huang, Qian wg2438 CHN0.5010.07201.40 
  Wang, Doudou wm2175 CHN0.501-0.2720-5.40 

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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