Individual Calculations March 2012
 Perera, Piruna Kamala  Total change: 12.30  Rating chartPersonal card
 5th Colombo International Chess Championships 2012 Colombo SRI 2012-02-08
RcRownchangeKK*chgGame
 1895 1594 1.00 4 0.41 30 12.30 
  Priyankara, Chamil 1926 SRI0.001-0.1230-3.60 
  Viththiyarani, S 1879 SRI1.0010.843025.20 
  Munasinghe, Lahiru 1931 SRI0.001-0.1230-3.60 
  Prabajith, Asela 1843 SRI0.001-0.1930-5.70 

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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