Individual Calculations September 2019
 Martins, Adroildo Jose  Total change: -15.00  Rating chartPersonal card
 2o IRT STD Metropole 2019 Porto Alegre RS BRA 2019-08-02
RcRownchangeKK*chgGame
 1730 1660 0.50 3 -0.75 20 -15.00 
  Da Silva, Joao Carlos Orguim 1793 BRA0.001-0.3220-6.40 
  Pertuzatti, Daniel 1935 BRA0.001-0.1720-3.40 
  Andersson, Cristian De Oliveira 1462 BRA0.501-0.2620-5.20 

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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