Individual Calculations December 2022
 Filak, Josef  Total change: 1.20  Rating chartPersonal card
 SSZK Krajsky prebor 2022-2023 r3-4 various CZE 2022-11-13
RcRownchangeKK*chgGame
 1966 1743 0.50 2 0.06 20 1.20 
  Petrzela, Pavel 2001 CZE0.001-0.1820-3.60 
  Jurca, Marek 1930 CZE0.5010.24204.80 

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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