Individual Calculations December 2017
 Rathbone-Jones, Ifan  Total change: -3.20  Rating chartPersonal card
 2017/18 4NCL Division 4 South Rounds 1-2 Reading ENG 2017-11-11
RcRownchangeKK*chgGame
 1946 1551 0.00 1 -0.08 40 -3.20 
  Nelson, Omowale 1946 JAM0.001-0.0840-3.20 

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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