Individual Calculations September 2009
 Gumb, Bernard  Total change: -0.60  Rating chartPersonal card
 Jubilee Open Allgemeines Turnier Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 1875 1885 1.50 3 -0.04 15 -0.60 
  Knobel, Mathias 2029 SUI0.001-0.3115-4.65 
  Mollet, Robert 1849 SUI0.501-0.0515-0.75 
  Denzinger, Karl 1748 SUI1.0010.32154.80 

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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