Individual Calculations February 2023
 Saparamadu, Sanali  Total change: -41.20  Rating chartPersonal card
 Asia Schools CC 2022- U 15 O Kaluthara SRI 2022-12-05
RcRownchangeKK*chgGame
 1338 1165 0.50 6 -1.20 40 -48.00 
  Sagynbekova, Alsu 1437 KGZ0.001-0.1740-6.80 
  Desurra, G P Damsilu 1302 SRI0.001-0.3240-12.80 
  Jayasundara, J M Daham V 1463 SRI0.001-0.1540-6.00 
  Weerasekara, Dinul Vinsitha 1358 SRI0.001-0.2540-10.00 
  Attanayake, A M N R 1289 SRI0.001-0.3340-13.20 
  Rajakaruna, Nuhansa 1176 SRI0.5010.02400.80 

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)
 
 Ethugalpura Open International Rating Chess Championships 2022 Kurunegala SRI 2022-12-20
RcRownchangeKK*chgGame
 1242 1165 1.00 2 0.17 40 6.80 
  Dissanayake, D M S L 1456 SRI0.001-0.1540-6.00 
  Hansara, W P Sandith 1028 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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