Individual Calculations May 2021
 Lee, Justin  Total change: 34.00  Rating chartPersonal card
 2nd Colonial Open - Open Dulles, Virginia USA 2021-04-02
RcRownchangeKK*chgGame
 1933 1953 3.50 5 0.85 40 34.00 
  Sridhar Yehamandram, Yogeshwar 1794 IND0.001-0.7140-28.40 
  Tay, Brian 1740 USA1.0010.23409.20 
  Johnson, Donald 1995 USA1.0010.564022.40 
  Park, Evan 2208 USA1.0010.814032.40 
  Altman, Joshua A c1926 ENG0.501-0.0440-1.60 

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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