Individual Calculations November 2022
 Madurawala, M G D S Shamaya  Total change: 12.80  Rating chartPersonal card
 Sri Lanka Junior Girls National Chess Championship 2022 Kandy SRI 2022-09-09
RcRownchangeKK*chgGame
 1441 1053 0.50 2 0.32 40 12.80 
  Abeysekara, Yasasi Geemini 1457 SRI0.5010.424016.80 
  Gunawardhana, Devindya Oshini 1425 SRI0.001-0.1040-4.00 

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)
 
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1816 1053 0.00 1 0.00 40 0.00 
  Wimalasuriya, Kasun M. c1816 SRI0.0010.00400.00 

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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