Individual Calculations August 2015
 Chulis, Alexander  Total change: -61.20  Rating chartPersonal card
 South African Open Chess Championships 2015 Cape Town RSA 2015-07-03
 1900 2170 3.50 8 -3.06 20 -61.20 
  Khuphwathea, Paul C. 1841 MAW0.501-0.3820-7.60 
  Lewis, Mark Mm. 1857 RSA0.501-0.3620-7.20 
  Salimu, Reuben 1965 ZIM0.501-0.2620-5.20 
  Wium, Daniel 1923 RSA0.501-0.3120-6.20 
  James, Michael 2008 RSA0.501-0.2120-4.20 
  Oberholzer, Francois f1930 RSA0.001-0.8020-16.00 
  Essop, Hishaam 1770  * RSA1.0010.08201.60 
  Musekiwa, Michael 1904 BOT0.001-0.8220-16.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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