Individual Calculations November 2022
 Hatchett, Paul  Total change: -18.20  Rating chartPersonal card
 2022 South Wales Autumn Open Cardiff WLS 2022-10-15
RcRownchangeKK*chgGame
 1715 1971 1.50 3 -0.91 20 -18.20 
  Thomas, Roy 1674 WLS0.501-0.3520-7.00 
  Gibbs, Dominic V 1845 ENG0.501-0.1720-3.40 
  Westcott, Dale 1625 WLS0.501-0.3920-7.80 

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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