Individual Calculations November 2015
 Willenberg, Craig Glen  Total change: 22.20  Rating chartPersonal card
 South African Club Chess Championship 2015 Durban RSA 2015-10-08
RcRownchangeKK*chgGame
 1902 2025 5.00 6 1.11 20 22.20 
  Willenberg, Roland C. 1770 RSA1.0010.19203.80 
  Kromhout, Ewan 2042 RSA0.001-0.4820-9.60 
  Mosetlhe, Kgaugelo 2170 RSA1.0010.692013.80 
  Balmakhun, Yashkar 1700 RSA1.0010.13202.60 
  Pesa, Mofoka A. 1898 RSA1.0010.33206.60 
  Mthunzi, Clive 1833 RSA1.0010.25205.00 

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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