Individual Calculations May 2023
 Rocchia, Alex  Total change: -22.20  Rating chartPersonal card
 Championnat du Var des Veterans et Seniors Plus 2023 r4-7 OLLIOULES FRA 2023-03-16
RcRownchangeKK*chgGame
 1207 1234 0.50 3 -1.11 20 -22.20 
  Candela, Leo-Thierry 1436 FRA0.001-0.2420-4.80 
  Sirvente, Jean-Jacques 1030 FRA0.501-0.2620-5.20 
  Celan, Stanislas 1156 FRA0.001-0.6120-12.20 

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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