Individual Calculations March 2022
 Webb, Laurence E  Total change: 3.80  Rating chartPersonal card
 2021/22 4NCL Division 1 & 2 Rounds 3-4 Daventry ENG 2022-02-12
RcRownchangeKK*chgGame
 1985 2100 1.50 2 0.19 20 3.80 
  Pollack, Oscar 2014 ENG0.501-0.1220-2.40 
  Stimpson, Philip M 1956 ENG1.0010.31206.20 

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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