Individual Calculations July 2011
 Perera, Pasan  Total change: 36.75  Rating chartPersonal card
 Sydney International Open 2011 Sydney AUS 2011-04-27
RcRownchangeKK*chgGame
 2069 1894 4.00 9 1.47 25 36.75 
  Samar, Raul 2236 AUS0.5010.38259.50 
  Li, Zuhao Luke 2039 NZL0.001-0.3125-7.75 
  Milligan, Helen wf2023 NZL1.0010.672516.75 
  Hu, Jason 2190 AUS0.5010.35258.75 
  Mallari, Donato 2011 AUS0.5010.16254.00 
  Pan, Andrew 2033 AUS0.001-0.3125-7.75 
  Monir, Arman 2142 BAN0.5010.31257.75 
  Ruan, Jack 1937 AUS0.5010.06251.50 
  Smirnov, Anton 2008 AUS0.5010.16254.00 

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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