Individual Calculations November 2023
 Rajakaruna, Nuhansa  Total change: -22.80  Rating chartPersonal card
 Kandy Open International Rating Chess Championships 2023 Kandy SRI 2023-09-26
RcRownchangeKK*chgGame
 1178 1171 1.50 4 -0.57 40 -22.80 
  Dharmasena, W M S S B 1558 SRI0.001-0.0940-3.60 
  Perera, Sachith Lakshan 1065 SRI0.501-0.1440-5.60 
  Ramanayake, M D M R Harshana 1052 SRI0.001-0.6640-26.40 
  Galappaththi, Sethish Dhananya 1035 SRI1.0010.324012.80 

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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