Individual Calculations February 2020
 Decellier, Patrick  Total change: 1.80  Rating chartPersonal card
 Belgian Interclubs 2019-2020 Round 6 Various BEL 2020-01-19
RcRownchangeKK*chgGame
 1897 1831 0.50 1 0.09 20 1.80 
  Ringoir, Guy 1897 BEL0.5010.09201.80 

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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