Individual Calculations February 2023
 Le Briand, Erwan  Total change: 4.20  Rating chartPersonal card
 Team 2023 - Nationale 4 r5 FRANCE FRA 2023-01-28
RcRownchangeKK*chgGame
 1200 1430 1.00 1 0.21 20 4.20 
  Sarishvili, Mariam 1200 GEO1.0010.21204.20 

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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