Individual Calculations September 2021
 Qiao, Mason  Total change: 0.00  Rating chartPersonal card
 2021 North American Youth Chess Championships - Open Under 12 Chicago, Illinois USA 2021-08-17
RcRownchangeRpKK*chgGame
 1439 0 0.00 2 0.00 639   0.00 
  Talwalkar, Vedant Ameya 1630 USA0.0010.00 0.00 
  Espinosa Miranda, Carlo Guillerm 1247 MEX0.0010.00 0.00 

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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