Individual Calculations September 2023
 Silva, Caio Marques  Total change: -16.60  Rating chartPersonal card
 Campeonato Amador de Xadrez 2023 Regiao Nordeste Sub 1700 Fortaleza CE BRA 2023-08-11
RcRownchangeKK*chgGame
 1626 1675 2.00 5 -0.83 20 -16.60 
  Silveiro, Miguel Hedler 1555 BRA1.0010.34206.80 
  Silva, Augusto Sergio Bruno Da 1651 BRA0.501-0.0320-0.60 
  Machado, Alessandro Mathias 1651 BRA0.001-0.5320-10.60 
  De Oliveira, Joao Eudes 1602 USA0.001-0.6020-12.00 
  De Meneses, Luiz Claudio Maia 1670 BRA0.501-0.0120-0.20 

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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