Individual Calculations December 2019
 Horrell, Stephen A  Total change: 27.40  Rating chartPersonal card
 South Wales Autumn Premier 2019 Newport WLS 2019-11-15
RcRownchangeKK*chgGame
 1630 1575 3.50 5 1.37 20 27.40 
  Jones, Martin C 1768 WLS0.5010.25205.00 
  Emblem, Mark 1442 WLS1.0010.32206.40 
  Chung, Ethan Cheung Jing 1652 WLS0.5010.11202.20 
  Parri, Deio 1651 WLS1.0010.602012.00 
  Pinch, David 1639 WLS0.5010.09201.80 

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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