Individual Calculations December 2018
 Valenta, Vit  Total change: 0.60  Rating chartPersonal card
 Krajsky prebor SSOK 2018/2019 r2-3 various CZE 2018-11-11
RcRownchangeKK*chgGame
 1986 2168 1.50 2 0.03 20 0.60 
  Gawlas, Roman 1946 CZE1.0010.22204.40 
  Stverak, Milan 2025 CZE0.501-0.1920-3.80 

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)
 

 

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