Individual Calculations June 2023
 Buchner, David  Total change: -13.20  Rating chartPersonal card
 44eme Open de l'Ascension d'Issy-les-Moulineaux ISSY LES MOULINEAUX FRA 2023-05-18
RcRownchangeKK*chgGame
 1591 1447 1.00 5 -0.66 20 -13.20 
  Vidal, Olivier 1589 FRA0.001-0.3120-6.20 
  Saunier, Augustin 1220 FRA1.0010.21204.20 
  Fischer, Joachim 1666 FRA0.001-0.2220-4.40 
  Lefebvre, Christophe 1630 FRA0.001-0.2620-5.20 
  Bihi, Mehdi 1849 FRA0.001-0.0820-1.60 

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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