Individual Calculations March 2017
 Bornheim, Craig  Total change: -41.60  Rating chartPersonal card
 Piet Robbertse 2017 Fide Pretoria RSA 2017-01-27
RcRownchangeKK*chgGame
 1743 2010 2.00 5 -2.08 20 -41.60 
  Minifie, Joshua 1749 RSA1.0010.18203.60 
  Nelson, Jaco 1864 RSA0.001-0.7020-14.00 
  Jacobs, Cavan 1669 RSA0.001-0.8820-17.60 
  Steyn, Hans 1794 RSA0.001-0.7820-15.60 
  Grobbelaar, Jacqui 1640 RSA1.0010.10202.00 

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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