Individual Calculations January 2022
 Ptak, Pavel  Total change: -5.60  Rating chartPersonal card
 2. liga A 2021/2022 r4-5 various CZE 2021-12-05
RcRownchangeKK*chgGame
 1917 2024 1.00 2 -0.28 20 -5.60 
  Novy, Daniel 1978 CZE0.501-0.0620-1.20 
  Petras, Milan c1856 CZE0.501-0.2220-4.40 

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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