Individual Calculations February 2020
 Wijesooriya, Senithu Minath  Total change: 13.20  Rating chartPersonal card
 Sri Lanka National Youth Chess Championship 2019 - Under 13 years Colombo SRI 2019-12-27
RcRownchangeKK*chgGame
 1130 1172 2.00 3 0.33 40 13.20 
  Mayadunna, D Thimesh 1040 SRI1.0010.324012.80 
  Ranasinghe, Thinuga Devanjith 1326 SRI0.001-0.2940-11.60 
  Jayawardena, P M S 1025 SRI1.0010.304012.00 

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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