Individual Calculations April 2009
 Hacche, David  Total change: -1.35  Rating chartPersonal card
 Ballarat Begonia Open Ballarat AUS 2009-03-07
RcRownchangeKK*chgGame
 2043 2177 4.50 7 -0.09 15 -1.35 
  Yu, Sally 1827 AUS1.0010.11151.65 
  Goldenberg, Igor f2399 AUS0.001-0.2215-3.30 
  Sannidhanam, Anurag 1827 AUS1.0010.11151.65 
  McCart, Richard 1927 AUS1.0010.19152.85 
  Dunn, Michael G 1986 AUS1.0010.25153.75 
  Wallis, Christopher 2234 AUS0.5010.08151.20 
  Cheng, Bobby 2098 AUS0.001-0.6115-9.15 

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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