Individual Calculations September 2018
 Ma, Qun  Total change: -1.30  Rating chartPersonal card
 2019 Chinese Chess League Division A (12-15) Zhong Shan CHN 2018-08-21
RcRownchangeKK*chgGame
 2489 2620 2.50 4 -0.13 10 -1.30 
  Xu, Minghui 2332 CHN1.0010.16101.60 
  Xu, Yinglun g2541 CHN0.501-0.1110-1.10 
  Zhao, Yuanhe 2372 CHN0.501-0.3110-3.10 
  Bu, Xiangzhi g2712 CHN0.5010.13101.30 

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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