Individual Calculations July 2011
 De Silva, Shelani  Total change: 9.75  Rating chartPersonal card
 Dhamso International Chess Festival Ambalangoda SRI 2011-04-22
RcRownchangeKK*chgGame
 1879 1581 1.00 4 0.39 25 9.75 
  Methmali, Y 1889 SRI1.0010.862521.50 
  Saranga, N C O 1937 SRI0.001-0.1125-2.75 
  Mendis, W G Chinthaka 1876 SRI0.001-0.1525-3.75 
  Gunasinghe, W A T S 1815 SRI0.001-0.2125-5.25 

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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