Individual Calculations November 2022
 Chandrasiri, P K  Total change: -45.80  Rating chartPersonal card
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1146 1420 3.50 7 -2.29 20 -45.80 
  Thilakaratna, B A Thevindu Kenula 1052 SRI1.0010.10202.00 
  Perera, K C D 1173 SRI0.501-0.3120-6.20 
  De Silva, Wijemuni Yomesh Lakshan 1179 SRI1.0010.20204.00 
  Wickramasinghe, V W A Vinuda Vidm 1165 SRI0.001-0.8120-16.20 
  Kalupahana, Hirun Harendra 1117 SRI1.0010.14202.80 
  Francis, U M Senal Vishmin 1237 SRI0.001-0.7420-14.80 
  Hapuarachchi, H A D S 1100 SRI0.001-0.8720-17.40 

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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