Individual Calculations October 2020
 Brooke, John  Total change: -59.60  Rating chartPersonal card
 2020 Perth Chess Club John Brooke Cup Perth AUS 2020-08-05
RcRownchangeKK*chgGame
 1416 1505 1.50 5 -1.49 40 -59.60 
  Massam, Justin 1568 AUS0.5010.09403.60 
  Powell, Darren 1299 AUS0.001-0.7640-30.40 
  Waugh, Tracy 1158 AUS1.0010.11404.40 
  Howard, Mark 1497 AUS0.001-0.5140-20.40 
  Hounsome, David 1559 AUS0.001-0.4240-16.80 

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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