Individual Calculations September 2009
 Beckman, John  Total change: -14.55  Rating chartPersonal card
 City of Melbourne Open Melbourne AUS 2009-04-27
RcRownchangeKK*chgGame
 1874 1674 0.00 4 -0.97 15 -14.55 
  Kalisch, Tom 1932 AUS0.001-0.1815-2.70 
  Mijatovic, Bosko 1893 AUS0.001-0.2215-3.30 
  Kovacevic, Paul 1820 AUS0.001-0.3015-4.50 
  Wertheim, Stephen 1852 AUS0.001-0.2715-4.05 

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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