Individual Calculations May 2018
 Klein, Boris  Total change: 20.40  Rating chartPersonal card
 Liga Alef Sharon 2018 Round 6-7 various ISR 2018-04-14
RcRownchangeKK*chgGame
 2149 1944 1.50 2 1.02 20 20.40 
  Katzir, Moshe 2157 ISR0.5010.27205.40 
  Zabarski, Zecharia 2141 ISR1.0010.752015.00 

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)
 

 

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