Individual Calculations September 2017
 Djurdjevic, Boris  Total change: -4.20  Rating chartPersonal card
 First League of Republic of Srpska 2017 Banja Dvorovi BIH 2017-08-12
RcRownchangeKK*chgGame
 2015 2175 0.50 1 -0.21 20 -4.20 
  Adzic, Mitar 2015 BIH0.501-0.2120-4.20 

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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