Individual Calculations August 2017
 Weerakoon, Devuja S  Total change: -61.20  Rating chartPersonal card
 Sri Lanka Women's National B Chess Championship 2017 Colombo SRI 2017-05-12
RcRownchangeKK*chgGame
 1255 1360 1.00 4 -1.53 40 -61.20 
  Yapa Bandara, Chamodya 1592 SRI0.001-0.2140-8.40 
  Maleesha, Tharuki 1207 SRI0.001-0.7040-28.00 
  Indrajith, J A K N T 1119 SRI0.501-0.3040-12.00 
  Hansima, Charitha Kumari 1103 SRI0.501-0.3240-12.80 

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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