Individual Calculations November 2009
 Chathuri, Karunanayake  Total change: 16.25  Rating chartPersonal card
 The Ravana Challenge International Chess Tournament 2009 Colombo SRI 2009-09-12
RcRownchangeKK*chgGame
 1910 1619 2.00 8 0.65 25 16.25 
  Kalugampitiya, R S 2019  * SRI0.001-0.0825-2.00 
  Kulasekara, K D M T 1867 SRI1.0010.812520.25 
  Fonseka, C K D 1981 SRI1.0010.902522.50 
  Weerawardane, R 2019  * SRI0.001-0.0825-2.00 
  Jayawardena, M 1955 SRI0.001-0.1225-3.00 
  Pinto, Semuthu 1832 SRI0.001-0.2325-5.75 
  Senanayake, P R wf1915 SRI0.001-0.1525-3.75 
  Selvaratnam, Navodya 1690 SRI0.001-0.4025-10.00 
 * 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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