Individual Calculations June 2019
 Zhou, Zirun  Total change: 2.40  Rating chartPersonal card
 2019 Chinese Chess League Division A 5-7 Hai Nan CHN 2019-05-06
RcRownchangeKK*chgGame
 2305 2139 1.00 3 0.12 20 2.40 
  Ni, Shiqun wg2439 CHN0.001-0.1520-3.00 
  Xiao, Yiyi wf2290 CHN0.5010.20204.00 
  Gu, Tianlu wm2186 CHN0.5010.07201.40 

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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