Individual Calculations January 2023
 Coyne, Jean-Claude  Total change: 6.80  Rating chartPersonal card
 Team 2023 - EST Decembre FRANCE FRA 2022-12-01
RcRownchangeKK*chgGame
 1899 1501 0.50 2 0.34 20 6.80 
  Berring, Alain 1900 FRA0.001-0.0820-1.60 
  Fuhrmann, Guy 1898 FRA0.5010.42208.40 

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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