Individual Calculations December 2018
 Kolodziej, Bogdan  Total change: -7.40  Rating chartPersonal card
 Krajsky prebor SSOK 2018/2019 r2-3 various CZE 2018-11-11
RcRownchangeKK*chgGame
 1815 1745 0.50 2 -0.37 20 -7.40 
  Vojcak, Petr 1569 CZE0.501-0.2320-4.60 
  Ruzicka, Milan 2060 CZE0.001-0.1420-2.80 

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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