Individual Calculations July 2021
 Jabri, Anwar  Total change: -9.20  Rating chartPersonal card
 Open de Bischwiller 2021 Tournoi B (-1600) BISCHWILLER FRA 2021-06-26
RcRownchangeKK*chgGame
 1389 1044 0.00 2 -0.23 40 -9.20 
  Barthel, Michel 1339 FRA0.001-0.1540-6.00 
  Billey, David 1438 FRA0.001-0.0840-3.20 

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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