Individual Calculations May 2018
 Jonker, Keola  Total change: 12.40  Rating chartPersonal card
 2018 South African Junior Closed Championships (U16 Girls) Benoni RSA 2018-04-01
RcRownchangeKK*chgGame
 1391 1188 2.00 6 0.31 40 12.40 
  Smith, Elani 1314 RSA0.001-0.3340-13.20 
  Steyn, Lene 1027 RSA1.0010.294011.60 
  Vuso, Hlomisa 1276 RSA1.0010.624024.80 
  Engelbrecht, Hanri wf1588  * RSA0.001-0.0840-3.20 
  Oberholzer, Imarie wf1562 RSA0.001-0.1040-4.00 
  Marais, Nina wc1576 RSA0.001-0.0940-3.60 
 * 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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