Individual Calculations August 2023
 Libiszewski, Christian  Total change: -8.60  Rating chartPersonal card
 29eme Open International de Saint-Affrique SAINT AFFRIQUE FRA 2023-07-22
RcRownchangeKK*chgGame
 1326 1231 3.00 8 -0.43 20 -8.60 
  Durand-Benmoussa, Roman 1864 FRA0.001-0.0120-0.20 
  Rinie, Jean-Jacques 1562 FRA0.5010.38207.60 
  Dubertrand, Bernard 1469 FRA0.001-0.2020-4.00 
  Tournier, David 1211 FRA0.501-0.0320-0.60 
  Fornengo, Jessica 1082 FRA0.001-0.7020-14.00 
  Cros, Achille 1081 FRA1.0010.30206.00 
  Leost, Joel 1167 FRA1.0010.41208.20 
  Ndiaye, Mael 1171 FRA0.001-0.5820-11.60 

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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