Individual Calculations December 2021
 Tirkajla, Boris  Total change: -4.80  Rating chartPersonal card
 S: 30. CRO team - liga zapad 2 (7-11) zapad CRO 2021-11-06
RcRownchangeKK*chgGame
 2023 2082 1.50 3 -0.24 20 -4.80 
  Kukuljan, Vlatko 2016 CRO0.501-0.0920-1.80 
  Barcal, Aleksandar 1967 CRO0.001-0.6620-13.20 
  Orenda, Omar 2086 CRO1.0010.512010.20 

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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