Individual Calculations February 2023
 Ruchinskaya, Valerie  Total change: 60.40  Rating chartPersonal card
 2023 Excelsior January U1900 Toronto CAN 2023-01-06
RcRownchangeKK*chgGame
 1350 1445 4.00 4 1.51 40 60.40 
  Xu, Leon 1212 CAN1.0010.21408.40 
  Zhang, Daniel 1417 CAN1.0010.464018.40 
  Sreekumar, Gauri 1303 CAN1.0010.314012.40 
  Zhong, April Yunwei 1466 CAN1.0010.534021.20 

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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