Individual Calculations May 2012
 Idrissi, Chafik  Total change: -7.35  Rating chartPersonal card
 FIRST INTERNATIONAL OPEN ELHAOUARIA (2d Tunisian international Individual Championship ELHAOUARIA TUN 2012-03-17
RcRownchangeKK*chgGame
 2157 2204 3.50 7 -0.49 15 -7.35 
  Hergli, Amir 2173 TUN0.501-0.0415-0.60 
  Kaabi, Mejdi m2344 TUN0.001-0.3115-4.65 
  Barhoumi, Med Anis 1983 TUN1.0010.22153.30 
  Tritar, Kamel 2031 TUN1.0010.27154.05 
  Mirzoev, Azer g2561 AZE0.001-0.1115-1.65 
  Bouzidi, Ahmed 2015 TUN1.0010.25153.75 
  Delseny, Serge 1992 FRA0.001-0.7715-11.55 

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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