Rapid: Individual Calculations October 2021
 Costa, Guilherme  Total change: -15.20  Rating chartPersonal card
 CD Lisboa Semi-Rapidas 2020-21 Lisboa POR 2021-09-18
RcRownchangeKK*chgGame
 1383 1484 2.50 5 -0.76 20 -15.20 
  Andrade, Bruno 1976 POR0.001-0.0420-0.80 
  Moura, Miguel Tiago Rito 1170 POR1.0010.14202.80 
  Reis, Andre Filipe Baptista San 1283 POR0.001-0.7620-15.20 
  Carreiras, Pedro Malamud 1261 POR1.0010.22204.40 
  Afonso, Bruno 1226 POR0.501-0.3220-6.40 

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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