Rapid: Individual Calculations July 2023
 Lafdal, Karim  Total change: -2.00  Rating chartPersonal card
 Grand Prix rapide du Val de Marne Saison 2022-2023 Etape 5B SAINT MAUR FRA 2023-06-03
RcRownchangeKK*chgGame
 1163 1026 1.50 5 -0.10 20 -2.00 
  Berthet, Patrice 1211 FRA0.001-0.2620-5.20 
  Sefcick, Edouard 1170 FRA0.5010.19203.80 
  Huyghe, Quentin 1246 FRA0.001-0.2220-4.40 
  Hacid, Gabriel 1079 FRA1.0010.572011.40 
  Chabrier, Vanessa 1111 FRA0.001-0.3820-7.60 

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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