Individual Calculations April 2019
 Davies, Matthew  Total change: -0.60  Rating chartPersonal card
 Welsh Chess Premier League 2018/2019 Round 4 Merthyr WLS 2019-03-10
RcRownchangeKK*chgGame
 1914 1933 0.50 1 -0.03 20 -0.60 
  May, Adam J 1914 WLS0.501-0.0320-0.60 

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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