Individual Calculations September 2015
 Perera, Tharusha Salinda  Total change: -11.60  Rating chartPersonal card
 National Amateur Chess Championship 2015 Colombo SRI 2015-08-05
RcRownchangeKK*chgGame
 1571 1466 2.00 6 -0.29 40 -11.60 
  Anojman, S. 1707 SRI0.001-0.2040-8.00 
  Jayasekara, J A Hesara Nadil 1129 SRI1.0010.12404.80 
  Naotunna, D R 1751 SRI0.001-0.1640-6.40 
  Devnaka, Chamin 1178 SRI1.0010.16406.40 
  Lasitha, Subash c1793 SRI0.001-0.1340-5.20 
  De Silva, Osheen 1866  * SRI0.001-0.0840-3.20 
 * 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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