Individual Calculations May 2021
 Simchayev, Alexandra  Total change: 13.60  Rating chartPersonal card
 Israeli youth league playoffs stage 2 Various ISR 2021-04-08
RcRownchangeKK*chgGame
 1794 1558 0.00 1 -0.20 40 -8.00 
  Reches, Omer 1794 ISR0.001-0.2040-8.00 

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)
 
 Liga Alef Darom 2021 Round 1 Various ISR 2021-04-22
RcRownchangeKK*chgGame
 1587 1558 1.00 1 0.54 40 21.60 
  Lazarovich, Aviv 1587 ISR1.0010.544021.60 

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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