Individual Calculations April 2020
 Grobbelaar-Oertel, Jacqui  Total change: 1.00  Rating chartPersonal card
 2020 Waterkloof Open Chess Tournament (Section A) Pretoria RSA 2020-02-29
RcRownchangeKK*chgGame
 1559 1540 2.00 4 0.05 20 1.00 
  Mlahleki, Vusimuzi 1940  * RSA0.001-0.0820-1.60 
  Bout, Wanda 1177 RSA1.0010.10202.00 
  Bester, Carla 1269 RSA1.0010.17203.40 
  Wasserman, Johan F. 1851 RSA0.001-0.1420-2.80 
 * 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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