Individual Calculations February 2023
 Sargsyan, Karen  Total change: 11.20  Rating chartPersonal card
 2. liga B 2022-2023 r6-7 various CZE 2023-01-08
RcRownchangeKK*chgGame
 2074 1845 1.00 2 0.56 20 11.20 
  Kotyk, Vaclav 2133 CZE0.5010.34206.80 
  Babicka, Michal 2014 CZE0.5010.22204.40 

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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