Individual Calculations June 2023
 Aaron, Michael E  Total change: 27.40  Rating chartPersonal card
 2023 Haymarket Memorial - Open Chicago, IL USA 2023-04-29
RcRownchangeKK*chgGame
 1848 1643 2.50 4 1.37 20 27.40 
  Kaplan, Avi Harrison 2146 USA0.001-0.0420-0.80 
  Pesterev, Kirill 1836 RUS0.5010.25205.00 
  Chen, Megan 1616 USA1.0010.46209.20 
  Coffman, Charles Z 1793 USA1.0010.702014.00 

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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