Individual Calculations June 2024
 Perry, Michael  Total change: -8.80  Rating chartPersonal card
 33rd Annual Chicago Open - U2100 Wheeling, IL USA 2024-05-24
RcRownchangeKK*chgGame
 1826 1906 1.00 2 -0.22 40 -8.80 
  Younis, Abdullah M 1827 USA1.0010.394015.60 
  Jiang, Mathew 1824 USA0.001-0.6140-24.40 

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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