Individual Calculations January 2023
 Ben Ayed, Rayen  Total change: -16.00  Rating chartPersonal card
 Championnat des Hauts de France 2022-2023 -Zone Nord-U12 CAPPELLE LA GRANDE FRA 2022-12-17
RcRownchangeKK*chgGame
 1244 1215 1.00 3 -0.40 40 -16.00 
  Degremont, Ivann 1038 FRA0.001-0.7340-29.20 
  Dobrowolski, Victor 1231 FRA1.0010.524020.80 
  Martellier, Antoine 1462 FRA0.001-0.1940-7.60 

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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