Individual Calculations October 2017
 Mazibuko, Khanya  Total change: 8.00  Rating chartPersonal card
 2017 Etienne Lewis Tshwane Chess Trails (Open) Pretoria RSA 2017-08-31
RcRownchangeKK*chgGame
 1698 1835 3.50 5 0.20 40 8.00 
  Van Den Berg, Ane 1435  * RSA1.0010.08403.20 
  Booysen, Antonio 1626 RSA1.0010.23409.20 
  Hansen, Marcques 1720 RSA1.0010.344013.60 
  Khumalo, Keith 1779 RSA0.501-0.0840-3.20 
  Ponelis, Albert A. 1932 RSA0.001-0.3740-14.80 
 * 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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