Individual Calculations May 2016
 Porat, David  Total change: -6.60  Rating chartPersonal card
 Liga Artzit Darom 2016 Round 7 various ISR 2016-04-02
RcRownchangeKK*chgGame
 1991 2259 0.50 1 -0.33 20 -6.60 
  Martianov, Andre 1991 ISR0.501-0.3320-6.60 

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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