Individual Calculations August 2015
 De Villiers, Charles  Total change: -1.80  Rating chartPersonal card
 South African Open Chess Championships 2015 Cape Town RSA 2015-07-03
 2086 2237 6.00 9 -0.09 20 -1.80 
  Mthunzi, Clive 1853 RSA1.0010.09201.80 
  Oberholzer, Francois f1930 RSA0.001-0.8620-17.20 
  Wium, Daniel 1923 RSA0.501-0.3620-7.20 
  Du Plessis, Heinco 2031 RSA1.0010.24204.80 
  Solomon, Maxwell c2070 RSA0.501-0.2220-4.40 
  Willenberg, Craig Glen 2021 RSA1.0010.22204.40 
  Masango, Spencer 2126 ZIM1.0010.35207.00 
  Kunte, Abhijit g2483 IND0.001-0.1920-3.80 
  Bwalya, Gillan m2337 ZAM1.0010.642012.80 

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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