Individual Calculations October 2017
 Marais, Dawid Jacobus  Total change: 21.60  Rating chartPersonal card
 2017 Etienne Lewis Tshwane Chess Trails (u16 Boys) Pretoria RSA 2017-08-31
RcRownchangeKK*chgGame
 1467 1351 2.00 4 0.54 40 21.60 
  Nhamuave, Eleazar 1695 RSA1.0010.884035.20 
  Vermaak, Jacobus 1411 RSA0.001-0.4240-16.80 
  Claassen, Jean-Daniel 1390 RSA0.5010.05402.00 
  Cruywagen, Armand 1371 RSA0.5010.03401.20 

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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