Rapid: Individual Calculations January 2023
 De Souza, Samuel B Ornelas  Total change: -0.80  Rating chartPersonal card
 Campeonato Brasileiro Amador RPD Under 2200 e 2300 Sao Paulo SP BRA 2022-12-04
RcRownchangeKK*chgGame
 1684 1561 1.00 3 -0.04 20 -0.80 
  De Mello, Rodrigo 1828 BRA1.0010.822016.40 
  Mazzolla, Marcos Flavio 1591 BRA0.001-0.4620-9.20 
  Jiang, Lucas Zirui 1634 BRA0.001-0.4020-8.00 

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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