Individual Calculations October 2018
 Gamage, B K Sayumi Hasithma  Total change: -16.40  Rating chartPersonal card
 4th Negambo International Chess Festival 2018 Negambo SRI 2018-08-16
RcRownchangeKK*chgGame
 1268 1032 0.00 2 -0.41 40 -16.40 
  Gamage, Mesanda 1277 SRI0.001-0.2040-8.00 
  Induwara, T H D Thisarindu 1259 SRI0.001-0.2140-8.40 

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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