Individual Calculations September 2021
 Chiu, Isaac  Total change: -4.60  Rating chartPersonal card
 51st Annual Continental Open - Master Sturbridge, Massachusetts USA 2021-08-12
RcRownchangeKK*chgGame
 2235 2250 4.50 9 -0.23 20 -4.60 
  Zhou, Jianchao g2619 CHN0.001-0.1020-2.00 
  Senft, Sean 2105 USA0.501-0.1920-3.80 
  Lizarazo, Juan Car 1952 COL1.0010.15203.00 
  Kavi, Nithin 2132 USA0.501-0.1620-3.20 
  Chen, Ryo Wenyu 2358 USA0.5010.15203.00 
  Singh, Hersh 2052 USA0.501-0.2620-5.20 
  Yanayt, Eugene f2099 USA1.0010.30206.00 
  Beradze, Irakli m2475 GEO0.001-0.2220-4.40 
  Poliannikov, Danila f2320 USA0.5010.10202.00 

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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