Individual Calculations December 2022
 Brown, Alan M  Total change: -3.60  Rating chartPersonal card
 2022/23 4NCL Division 3 East Rounds 1-2 Daventry ENG 2022-11-05
RcRownchangeKK*chgGame
 1935 2001 1.00 2 -0.18 20 -3.60 
  Ortiz Sanchez, Luis 1892 ESP0.501-0.1520-3.00 
  Hewitt, William 1978 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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