Individual Calculations September 2009
 Kaplan, Alex  Total change: 3.45  Rating chartPersonal card
 City of Melbourne Open Melbourne AUS 2009-04-27
RcRownchangeKK*chgGame
 1921 1711 2.00 7 0.23 15 3.45 
  Skiotis, Pano 2061 AUS0.001-0.1115-1.65 
  Lycett, Garry 1936 AUS1.0010.781511.70 
  Voon, Richard 2006 AUS0.001-0.1515-2.25 
  Papadinis, Jim 1935 AUS0.5010.28154.20 
  Hogg, Dean 2061 AUS0.001-0.1115-1.65 
  McCart, Roger 1630 AUS0.501-0.1115-1.65 
  Kovacevic, Paul 1820 AUS0.001-0.3515-5.25 

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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