Individual Calculations July 2018
 Chai, Jacob  Total change: -24.40  Rating chartPersonal card
 41st Trusts Chess Open C 2018 Auckland NZL 2018-06-02
RcRownchangeKK*chgGame
 1226 1043 0.50 4 -0.61 40 -24.40 
  Deng, Abraham 1384 NZL0.001-0.1240-4.80 
  Xiao, Kelvin 1204 NZL0.5010.21408.40 
  Ning, Isabelle Yixuan 1231 NZL0.001-0.2640-10.40 
  Xu, Hannah 1086 NZL0.001-0.4440-17.60 

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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