Individual Calculations September 2021
 Williams, Justus  Total change: 18.80  Rating chartPersonal card
 53rd Annual Atlantic Open - Major Reston, Virginia USA 2021-08-27
RcRownchangeKK*chgGame
 2247 2366 4.00 5 0.94 20 18.80 
  Wilson, Ronen 1966  * USA1.0010.08201.60 
  Shundi, Matias 1966  * USA1.0010.08201.60 
  Bartell, Thomas m2354 USA1.0010.48209.60 
  Repka, Christopher g2496 SVK0.001-0.3220-6.40 
  Bregadze, Levan m2454 GEO1.0010.622012.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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