Individual Calculations March 2020
 Sumanathilake, Yonal  Total change: 16.80  Rating chartPersonal card
 Sri Lanka National (Major Division ) Chess Championship 2020 - Ratnapura Event Ratnapura SRI 2020-02-01
RcRownchangeKK*chgGame
 1279 1084 1.50 4 0.42 40 16.80 
  Gunasekara, Malaka 1341 SRI0.5010.324012.80 
  Ramanayaka, Y R P M 1405 SRI0.001-0.1340-5.20 
  Nanayakkara, N W P K W 1028 SRI1.0010.424016.80 
  Ushan, Lochana 1340 SRI0.001-0.1940-7.60 

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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