Individual Calculations March 2021
 Posthuma, Joshua  Total change: -15.60  Rating chartPersonal card
 1st Charlotte Masters Charlotte, North Carolina USA 2021-02-13
RcRownchangeKK*chgGame
 2209 2307 3.00 6 -0.78 20 -15.60 
  Kumar, Naman 2158 USA1.0010.30206.00 
  Wu, Rochelle wm2095 USA0.001-0.7720-15.40 
  Chiu, Isaac 2209 USA1.0010.37207.40 
  Wang, Tianqi 2307 USA0.5010.00200.00 
  Colas, Joshua f2280 USA0.001-0.5420-10.80 
  Park, Evan 2207 USA0.501-0.1420-2.80 

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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