Individual Calculations May 2022
 Jackson, Gary C  Total change: -2.40  Rating chartPersonal card
 2nd 4NCL Easter Congress Major Daventry ENG 2022-04-15
RcRownchangeKK*chgGame
 1728 1776 1.00 2 -0.12 20 -2.40 
  Willow, Hambel M 1633 ENG1.0010.31206.20 
  Basson, Heinrich 1823 RSA0.001-0.4320-8.60 

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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