Individual Calculations May 2012
 Karunarathne, W M V W B  Total change: 47.40  Rating chartPersonal card
 Sri Lanka Major Division Chess Championship 2012 Kandy Kandy SRI 2012-02-25
RcRownchangeKK*chgGame
 1878 1783 3.50 6 1.27 30 38.10 
  Perera, L N 1949 SRI1.0010.723021.60 
  Lamawansa, Yasas 1946 SRI0.5010.22306.60 
  Bandara, A J K D 1825 SRI1.0010.563016.80 
  Fonseka, C K D 1890 SRI0.001-0.3530-10.50 
  Bandara, Dhanushka 1849 SRI0.5010.09302.70 
  Ranasinghe, C N 1806 SRI0.5010.03300.90 

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)
 
NOTE: K factor changed
 Sri Lanka National B Chess Championship 2012 Colombo SRI 2012-03-10
RcRownchangeKK*chgGame
 1924 1783 2.50 6 0.62 15 9.30 
  De Silva, Elath Mathanga 1946 SRI0.5010.22153.30 
  Koggala, Wsvk 2020 SRI0.001-0.2015-3.00 
  Prabajith, Asela 1858 SRI0.5010.10151.50 
  Lamahewa, C 1853 SRI1.0010.60159.00 
  Munasinghe , Lahiru 1933 SRI0.5010.20153.00 
  Mendis, Wg Chinthaka 1935 SRI0.001-0.3015-4.50 

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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