Individual Calculations September 2020
 Petersson, Kjell  Total change: 10.00  Rating chartPersonal card
 Allskanskan 19/20, div 2 A DIV1 rond 5 Malmo SWE 2020-08-23
RcRownchangeKK*chgGame
 1972 1973 1.00 1 0.50 20 10.00 
  Nilsson, Patrik 1968 1972 SWE1.0010.502010.00 

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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