Individual Calculations September 2022
 Xu, Ruihan  Total change: -34.00  Rating chartPersonal card
 2022 NAYCC U14 Girls Calgary CAN 2022-08-10
RcRownchangeKK*chgGame
 1349 1202 1.00 6 -0.85 40 -34.00 
  Mok, Gillian 1411 CAN0.5010.274010.80 
  Zhu, Florina 1400 USA0.001-0.2440-9.60 
  Zhang, Joyce 1431 CAN0.001-0.2140-8.40 
  Arivoli, Sadhana 1314 USA0.001-0.3540-14.00 
  Briseno Fernandez, Mely 1180 MEX0.501-0.0340-1.20 
  Zhang, Elena 1357 USA0.001-0.2940-11.60 

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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