Individual Calculations January 2020
 Friedrich, Carlos Ernesto G.  Total change: -7.40  Rating chartPersonal card
 Regional Sul STD 2019 Porto Alegre BRA 2019-12-13
RcRownchangeKK*chgGame
 1787 1626 0.50 3 -0.37 20 -7.40 
  Perondi, Rodolfo Antonio 1867 BRA0.001-0.2020-4.00 
  Da Silva, Lucas Ramos 1710 BRA0.001-0.3820-7.60 
  Da Silva, Joao Carlos Orguim 1785 BRA0.5010.21204.20 

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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