Individual Calculations April 2019
 Dinham, James  Total change: 36.80  Rating chartPersonal card
 2019 Waterkloof Open (A) Pretoria RSA 2019-03-02
RcRownchangeKK*chgGame
 1547 1565 2.00 4 -0.17 40 -6.80 
  Mpya, Tshediso M 1930 RSA0.001-0.1040-4.00 
  Tissot Van Patot, Anton 1474 RSA1.0010.384015.20 
  Engelbrecht, Hanri wf1421 RSA0.001-0.6940-27.60 
  Shaw, Laurie Ann 1362 RSA1.0010.24409.60 

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)
 
 South African Junior Closed Chess Championships 2019 (u16 Open) Benoni RSA 2019-03-16
RcRownchangeKK*chgGame
 1525 1565 5.50 8 1.09 40 43.60 
  Maharaj, Ajeet 1254 RSA0.501-0.3640-14.40 
  Daniel, Angelo 1564 RSA0.001-0.5040-20.00 
  Fihla, Lonwabo Luvuyo 1483 RSA1.0010.394015.60 
  Naidoo, Tashil 1467 RSA1.0010.374014.80 
  Essa, Naseem Ahmed f1856 RSA0.001-0.1540-6.00 
  Hlongwane, Blessing 1363 RSA1.0010.24409.60 
  Cruywagen, Armand 1496 RSA1.0010.404016.00 
  Schnabel, Johann Emil c1714 RSA1.0010.704028.00 

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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