Individual Calculations April 2023
 Roberson, Peter T  Total change: 7.60  Rating chartPersonal card
 2022/23 4NCL Division 1 Rounds 7-8 Daventry ENG 2023-03-18
RcRownchangeKK*chgGame
 2517 2422 1.50 2 0.76 10 7.60 
  Speelman, Jon S g2492 ENG1.0010.60106.00 
  Rowson, Jonathan g2542 SCO0.5010.16101.60 

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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