Individual Calculations July 2022
 Zhou, Celina  Total change: -6.80  Rating chartPersonal card
 Midwest Chess Congress - Under 2000 Des Moines, Iowa USA 2022-06-17
RcRownchangeKK*chgGame
 1533 1449 1.00 3 -0.17 40 -6.80 
  Juric, Zvonko 1621 USA0.001-0.2740-10.80 
  Sun, Sophia 1346 USA1.0010.364014.40 
  Gustafson, Craig Adam 1633 USA0.001-0.2640-10.40 

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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