Individual Calculations June 2021
 Coy, Rupert  Total change: 15.40  Rating chartPersonal card
 2021 St George Club Championship Sydney AUS 2021-03-02
RcRownchangeKK*chgGame
 1675 1814 6.00 8 0.77 20 15.40 
  Stathos, Dimitrios 1414  * AUS1.0010.08201.60 
  O`rourke, Ryan (1996) 1654 AUS1.0010.29205.80 
  Zhao, Isaac c1916 AUS0.001-0.3620-7.20 
  Parissis, John 1414  * AUS1.0010.08201.60 
  Wu, Celina (yijia) 1611 AUS1.0010.24204.80 
  Sunaryo, Robert 1956 INA0.5010.19203.80 
  Anderson, Brendan 1670 AUS0.501-0.1920-3.80 
  Saint, Graham D 1768 AUS1.0010.44208.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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