Individual Calculations September 2009
 Keller, Felix  Total change: 4.00  Rating chartPersonal card
 Jubilee Open Allgemeines Turnier Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 1847 1909 2.50 4 0.16 25 4.00 
  Huber, Ruth 1752 SUI1.0010.29257.25 
  Suwendo, Poedjo 1794 SUI0.501-0.1625-4.00 
  Sach, Tomas 1926 SUI0.5010.02250.50 
  Manoukian, Alexandre 1915 SUI0.5010.01250.25 

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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