Individual Calculations September 2022
 Diao, Sujia  Total change: -25.20  Rating chartPersonal card
 52nd annual Continental Open Under 2000 Sturbridge, MA USA 2022-07-28
RcRownchangeKK*chgGame
 1392 1655 1.00 2 -0.63 40 -25.20 
  Zhu, Florina 1332 USA0.001-0.8740-34.80 
  Truong, William 1451 USA1.0010.24409.60 

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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