Individual Calculations January 2009
 Ritter, Fredy  Total change: 0.00  Rating chartPersonal card
 8. Winterthurer Schachwoche/Int. Open Winterthur SUI 2008-10-03
RcRownchangeRpKK*chgGame
 1831 0 1.00 4 0.00 1638   0.00 
  Koppen, Willem 1567 SUI0.5010.00 0.00 
  Baumann, Kurt 2018 SUI0.0010.00 0.00 
  Mollet, Robert 1853 SUI0.5010.00 0.00 
  Drobny, Michael 1886 SUI0.0010.00 0.00 

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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