Individual Calculations September 2009
 Novidis, Nikolaos  Total change: -21.25  Rating chartPersonal card
 37th Greek Team Championship of A' Category Halkidiki GRE 2009-07-03
RcRownchangeKK*chgGame
 2226 2153 0.00 2 -0.85 25 -21.25 
  Robas, Stergios 2022 GRE0.001-0.6825-17.00 
  Georgiev, Krum g2430 BUL0.001-0.1725-4.25 

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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