Individual Calculations June 2021
 Maggs, Derwent  Total change: 9.60  Rating chartPersonal card
 2021 Perth Club Championship Perth AUS 2021-03-31
RcRownchangeKK*chgGame
 1680 2030 4.00 4 0.48 20 9.60 
  Massam, Justin 1630  * AUS1.0010.08201.60 
  Hernandez Mendez, Iker 1630  * AUS1.0010.08201.60 
  De Yaak, Peter 1831 AUS1.0010.24204.80 
  Barry, David 1630  * AUS1.0010.08201.60 
 * 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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