Individual Calculations September 2021
 De La Torre, Alexsander Eladio  Total change: -12.80  Rating chartPersonal card
 Campeonato Pernambucano de Xadrez STD 2020 Recife PE BRA 2021-08-20
RcRownchangeKK*chgGame
 1880 1747 0.00 1 -0.32 40 -12.80 
  Andrade, Erastro Trajano De 1880 BRA0.001-0.3240-12.80 

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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