Individual Calculations November 2023
 Case, Ivan  Total change: -16.00  Rating chartPersonal card
 2023 John Purdy Memorial Major Rounds 6-9 Sydney AUS 2023-10-03
RcRownchangeKK*chgGame
 1531 1492 1.00 4 -0.80 20 -16.00 
  Stern, David 1479 AUS0.001-0.5220-10.40 
  Aleksovski, Bosko 1545 AUS0.001-0.4320-8.60 
  Laurie, Robert 1425 AUS1.0010.41208.20 
  Garner, Stephen J 1673 AUS0.001-0.2620-5.20 

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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