Individual Calculations April 2019
 Van Schaik, Migael  Total change: 11.60  Rating chartPersonal card
 South African Junior Closed Chess Championships 2019 (u12 Open) Benoni RSA 2019-03-16
RcRownchangeKK*chgGame
 1144 1253 3.50 5 0.29 40 11.60 
  Senekal, Frederick Petrus 1156 RSA0.501-0.1340-5.20 
  Simpson, Michael 1269 RSA1.0010.524020.80 
  Palmer, Reegan 1128 RSA1.0010.334013.20 
  Arjun, Sopanam Prabha 1004 RSA0.501-0.3140-12.40 
  Potgieter, Edward 1164 RSA0.501-0.1240-4.80 

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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