Individual Calculations January 2018
 Perera, W C C  Total change: 14.40  Rating chartPersonal card
 Sri Lanka Inter Club Super League Chess Championship 2017 Colombo SRI 2017-12-01
RcRownchangeKK*chgGame
 1839 2008 5.00 6 0.72 20 14.40 
  Lasitha, Subash c1839 SRI1.0010.28205.60 
  Kavikeshawa, K G 1924 SRI1.0010.38207.60 
  De Silva, Elath Mathanga 1822 SRI0.501-0.2420-4.80 
  Madushanka, Harsha 1835 SRI1.0010.27205.40 
  Seneviratne, Shehan Kavishka 1680 SRI1.0010.13202.60 
  Munasinghe, Lahiru 1936 SRI0.501-0.1020-2.00 

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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