Individual Calculations July 2009
 Coletta, Stephane  Total change: 2.55  Rating chartPersonal card
 SGM 2009 (League 1 & 2) decentralised SUI 2008-10-08
RcRownchangeKK*chgGame
 1653 2003 1.00 1 0.11 15 1.65 
  Desboeufs, Claude 1653 SUI1.0010.11151.65 

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)
 
 Coupe du Leman Cat. A-GENEVE different places SUI 2008-10-13
RcRownchangeKK*chgGame
 2023 2003 1.00 2 0.06 15 0.90 
  Hedri, Abdelaziz 2043 SUI1.0010.56158.40 
  Francey, Rodolphe 2002 SUI0.001-0.5015-7.50 

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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