Rapid: Individual Calculations January 2022
 Barbosa, Valdino  Total change: 14.20  Rating chartPersonal card
 I Copa Betcerto de Xadrez RPD Fernandopolis SP BRA 2021-12-05
RcRownchangeKK*chgGame
 1772 1355 1.00 3 0.71 20 14.20 
  Rainho, Caio Gisse 1806 BRA0.001-0.0620-1.20 
  Kumayama, Eder Kobashi 1583 BRA1.0010.792015.80 
  Brandao, Marcio Costa 1928 BRA0.001-0.0220-0.40 

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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