Individual Calculations December 2021
 Beukema, Henk Jan  Total change: -2.20  Rating chartPersonal card
 Dutch Team Competition 2021-2022 - Klasse 1 Round 3 various NED 2021-11-06
RcRownchangeKK*chgGame
 2250 1994 0.00 1 -0.19 20 -3.80 
  Retera, Joost f2250 NED0.001-0.1920-3.80 

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)
 
 Dutch Team Competition 2021-2022 - Klasse 3 Round 4 various NED 2021-11-27
RcRownchangeKK*chgGame
 2050 1994 0.50 1 0.08 20 1.60 
  Bosscher, Hans 2050 NED0.5010.08201.60 

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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