Individual Calculations May 2010
 Ruan, Harry  Total change: 27.60  Rating chartPersonal card
 Sydney International Open Sydney AUS 2010-04-07
RcRownchangeKK*chgGame
 2007 1801 4.00 9 1.84 15 27.60 
  Castor, David 2131 AUS0.001-0.1215-1.80 
  Wang, Oscar 1943 AUS0.5010.19152.85 
  Zulfic, Fedja 2008 AUS0.001-0.2315-3.45 
  Ilic, Ilija 2009 AUS0.5010.27154.05 
  Maroroa, Sue wm1945 NZL0.001-0.3115-4.65 
  Goundar, Sanmogam c1929 FIJ1.0010.671510.05 
  Kumar, Manoj c2040 FIJ0.5010.30154.50 
  Descallar, Levi 1979 AUS1.0010.731510.95 
  Jackson, Ralph E. 2081 AUS0.5010.34155.10 

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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