Individual Calculations May 2018
 Weerawardana, Oneli Vihanga  Total change: 28.80  Rating chartPersonal card
 11th Colombo International Chess Championship 2018 Colombo SRI 2018-03-30
RcRownchangeKK*chgGame
 1528 1206 1.00 2 0.72 40 28.80 
  Kulatunga, Dinithi 1449 SRI1.0010.804032.00 
  Siriwardena, R I Pasan Bhanuka 1606  * SRI0.001-0.0840-3.20 
 * 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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