Rapid: Individual Calculations February 2020
 Launay, Alain  Total change: -4.80  Rating chartPersonal card
 Grand Prix de l'Oise Saison 2019-2020 Journee 4 COMPIEGNE FRA 2020-01-26
RcRownchangeKK*chgGame
 1215 1387 4.00 6 -0.24 20 -4.80 
  Robert, Maxime 1703 FRA0.001-0.1320-2.60 
  Cussaguet, Michel 1165 FRA0.001-0.7820-15.60 
  Robert, Maud 1008 FRA1.0010.09201.80 
  Straub, Velten 1109 FRA1.0010.17203.40 
  Tarboush, Jouly 1197 FRA1.0010.25205.00 
  Soyer, Xavier 1105 FRA1.0010.16203.20 

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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