Individual Calculations December 2023
 Charles, Geoffrey A  Total change: -56.40  Rating chartPersonal card
 2023 North Carolina Open - U2000 Charlotte, NC USA 2023-11-24
RcRownchangeKK*chgGame
 1416 1585 0.00 2 -1.41 40 -56.40 
  Garrison, Jay 1537 USA0.001-0.5740-22.80 
  Li, Allen 1295 USA0.001-0.8440-33.60 

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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