Individual Calculations November 2021
 Helder, Marc  Total change: -13.60  Rating chartPersonal card
 Dutch Team Competition 2021-2022 - Klasse 4 Round 2 various NED 2021-10-09
RcRownchangeKK*chgGame
 1997 2128 0.00 1 -0.68 20 -13.60 
  Otten, Colleen 1997 NED0.001-0.6820-13.60 

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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