Individual Calculations February 2019
 Ben Artzi, Ido  Total change: -5.50  Rating chartPersonal card
 Israel National Team Championship 2019 Round 1-2 Various ISR 2019-01-02
RcRownchangeKK*chgGame
 2364 2382 0.50 2 -0.55 10 -5.50 
  Bar, Roman m2484 ISR0.001-0.3610-3.60 
  Afek, Yochanan m2244 ISR0.501-0.1910-1.90 

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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