Individual Calculations July 2023
 Kujawski, Zygmunt  Total change: -6.80  Rating chartPersonal card
 Wielkopolska IV Liga Seniorow gr B w sezonie 2022-2023 Round 9-11 Slesin POL 2023-06-03
RcRownchangeKK*chgGame
 1505 1640 1.00 2 -0.34 20 -6.80 
  Wronka, Arkadiusz 1628 POL0.001-0.5220-10.40 
  Lamek, Dawid 1382 POL1.0010.18203.60 

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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