Individual Calculations December 2018
 Obers, Frits  Total change: -4.60  Rating chartPersonal card
 Dutch Team Competition 2018-2019 Klasse 3G Round 3 various NED 2018-11-03
RcRownchangeKK*chgGame
 1981 2152 0.50 1 -0.23 20 -4.60 
  Rose, Tom 1981 ENG0.501-0.2320-4.60 

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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