Individual Calculations September 2023
 Astruc, Iban  Total change: 17.00  Rating chartPersonal card
 Tournoi Interne Aviron Bayonnais Echecs 2023 BAYONNE FRA 2023-07-27
RcRownchangeKK*chgGame
 1593 1647 2.00 2 0.85 20 17.00 
  Ostrovskiy, Vova 1656 FRA1.0010.512010.20 
  Bennouna-Greene, Julien 1529 FRA1.0010.34206.80 

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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