Individual Calculations April 2019
 Nkuna, Windsor  Total change: -0.60  Rating chartPersonal card
 2019 Waterkloof Open (A) Pretoria RSA 2019-03-02
RcRownchangeKK*chgGame
 1572 1576 2.50 5 -0.03 20 -0.60 
  Zwakala, Ntando 1976  * RSA0.001-0.0820-1.60 
  Van Heerden, Lara 1376 RSA1.0010.24204.80 
  Schoeman, Ewald c1606 RSA0.001-0.4620-9.20 
  Odendaal, Mikhal Marcus 1188 RSA1.0010.09201.80 
  Marais, Nina wc1712 RSA0.5010.18203.60 
 * 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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