Rapid: Individual Calculations October 2021
 Kozak, Jan  Total change: -16.80  Rating chartPersonal card
 XXV Turniej Szachowy o Puchar Kawki Warszawa POL 2021-09-04
RcRownchangeKK*chgGame
 1400 1448 2.00 5 -0.84 20 -16.80 
  Lewandrowski, Tomasz 1851 POL0.001-0.0820-1.60 
  Oles, Jan 1326 POL0.001-0.6720-13.40 
  Okruch, Jaroslaw 1490 POL0.001-0.4420-8.80 
  Santana, Felipe 1257 POL1.0010.25205.00 
  Ejsymont, Eryk 1077 POL1.0010.10202.00 

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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