Individual Calculations April 2023
 Helaszek, Edward  Total change: -7.40  Rating chartPersonal card
 Dolnoslaska Liga Okregowa 2022-2023 okreg podwroclawski zachod r 9-12 Dolny Slask POL 2023-03-05
RcRownchangeKK*chgGame
 1563 1887 0.50 1 -0.37 20 -7.40 
  Klisowski, Bartosz 1563 POL0.501-0.3720-7.40 

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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