Individual Calculations February 2016
 Punnett, Alan K  Total change: 4.40  Rating chartPersonal card
 4NCL Division 2 WE 2 Birmingham ENG 2016-01-23
RcRownchangeKK*chgGame
 2121 2039 1.00 2 0.22 20 4.40 
  Richmond, Peter 2120 WLS1.0010.612012.20 
  Willis, Rupert 2121 ENG0.001-0.3920-7.80 

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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