Individual Calculations December 2019
 Koper, Konrad  Total change: 0.80  Rating chartPersonal card
 IV Wielkopolska Liga Seniorow grupa A 2019/2020 Round 1-2 Poznan POL 2019-11-03
RcRownchangeKK*chgGame
 1630 1603 0.50 1 0.04 20 0.80 
  Hoffmann, Piotr 1630 POL0.5010.04200.80 

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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