Individual Calculations April 2023
 Grifell Sola, Joan  Total change: -20.00  Rating chartPersonal card
 Lliga Catalana 2023 Preferent Grupo 2 Rondas 7-9 Catalunya ESP 2023-03-05
RcRownchangeKK*chgGame
 1829 1830 0.00 2 -1.00 20 -20.00 
  De Lomas Busquets, Alex 1701 ESP0.001-0.6720-13.40 
  Guerrero Roman, Eulalio 1956 ESP0.001-0.3320-6.60 

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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