Individual Calculations April 2009
 Mdallah, Afif  Total change: 36.75  Rating chartPersonal card
 23e Open International "Pierre et Vacances" - B Cannes FRA 2009-02-09
RcRownchangeKK*chgGame
 1932 1898 5.50 9 1.47 25 36.75 
  Stiffler, Jean-Marc 1636 SUI1.0010.18254.50 
  Bubits, Bence 2014 HUN0.001-0.3425-8.50 
  Gill, William 1658 IRL1.0010.20255.00 
  Gardi, Giuseppe 2021 ITA0.5010.17254.25 
  Samuel, Christian 1947 FRA1.0010.572514.25 
  Monthoux, Steve 1998 SUI1.0010.642516.00 
  Zermiche, Cherif 2128 FRA0.001-0.2125-5.25 
  Gambini, Stephane 1993 FRA1.0010.632515.75 
  Skouvaklis, Alexis 1991 SUI0.001-0.3725-9.25 

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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