Individual Calculations February 2019
 Zifroni, Dov  Total change: 7.60  Rating chartPersonal card
 Israel National Team Championship 2019 Round 1-2 Various ISR 2019-01-02
RcRownchangeKK*chgGame
 2345 2442 2.00 2 0.76 10 7.60 
  Poleg, Matan 2205 ISR1.0010.20102.00 
  Kobo, Ori g2485 ISR1.0010.56105.60 

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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