Individual Calculations February 2017
 Roberts, Malcolm A  Total change: 19.60  Rating chartPersonal card
 2016/17 4NCL Division 3 North Rounds 3-4 Bolton ENG 2017-01-14
RcRownchangeKK*chgGame
 1850 1664 1.00 2 0.49 40 19.60 
  Tyton, Adam 1836 ENG0.5010.23409.20 
  Thoday, Francis 1863 ENG0.5010.264010.40 

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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