Individual Calculations September 2021
 Ji, Y Owen  Total change: -9.20  Rating chartPersonal card
 51st Annual Continental Open - Under 2200 Sturbridge, Massachusetts USA 2021-08-12
RcRownchangeKK*chgGame
 1533 1691 2.50 4 -0.23 40 -9.20 
  Hendrix, Wyatt M 1897 USA0.001-0.2440-9.60 
  Cobbs, Kenneth 1446 USA1.0010.20408.00 
  Jin, Jerry 1341 USA1.0010.11404.40 
  Kupersmith, Alexander 1448 USA0.501-0.3040-12.00 

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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