Rapid: Individual Calculations November 2022
 Ranganath, Tharuli Vihasna  Total change: -8.60  Rating chartPersonal card
 Sri Lanka Women's National Rapid Chess Championship 2022 Colombo SRI 2022-09-18
RcRownchangeKK*chgGame
 1009 1171 1.00 2 -0.43 20 -8.60 
  Amarathunga, Piyumi Uthpala 1002 SRI0.001-0.7220-14.40 
  Hathurusinghe, Dulmini Nuwangi 1016 SRI1.0010.29205.80 

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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