Individual Calculations February 2023
 Gunawardena, E R Thyagi  Total change: -17.60  Rating chartPersonal card
 Asia Schools CC 2022- U 15 O Kaluthara SRI 2022-12-05
RcRownchangeKK*chgGame
 1261 1159 2.50 8 -0.44 40 -17.60 
  Kodithuwakku, K K Dinujaya 1405 SRI0.001-0.1940-7.60 
  Bhavanan, J 1290 SRI0.001-0.3240-12.80 
  De Silva, Wijemuni Yomesh Lakshan 1237 SRI0.001-0.3940-15.60 
  Rathnanjali, M A Thakshala 1130 SRI0.501-0.0440-1.60 
  Amarathunga, Piyumi Uthpala 1173 SRI0.5010.02400.80 
  Viranya, A R M V 1146 SRI1.0010.484019.20 
  Abiru, K A Aken 1309 SRI0.5010.20408.00 
  Hewawasam, H Y Thisaga Manvidu 1398 SRI0.001-0.2040-8.00 

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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