Individual Calculations September 2009
 Chatton, Jean-Bernard  Total change: -22.75  Rating chartPersonal card
 Jubilee Open Allgemeines Turnier Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 1966 1857 0.50 4 -0.91 25 -22.75 
  Stucki, Kaspar 1977 SUI0.5010.16254.00 
  Messer, Markus 2007 SUI0.001-0.3025-7.50 
  Torricelli, Arnold 1964 SUI0.001-0.3525-8.75 
  Schmidt, Maurin 1917 SUI0.001-0.4225-10.50 

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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