Individual Calculations April 2019
 Gamage, B K Sayumi Hasithma  Total change: 22.80  Rating chartPersonal card
 Sri Lanka Women's National Qualifying Chess Championships 2019 - Colombo Colombo SRI 2019-03-08
RcRownchangeKK*chgGame
 1347 1032 1.00 3 0.57 40 22.80 
  Sanudula, K M Dahamdi wc1333 SRI0.5010.354014.00 
  Kodikara, K K M Sachintha wf1432  * SRI0.001-0.0840-3.20 
  Hansamali, H M Samudrika 1276 SRI0.5010.304012.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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