Individual Calculations October 2008
 Chikman, Alan  Total change: 59.50  Rating chartPersonal card
 Spring Rishon 2008 Rishon Le-Zion ISR 2008-05-05
RcRownchangeKK*chgGame
 2068 1909 4.50 7 2.38 25 59.50 
  Heruti, Ofer 2018 ISR1.0010.652516.25 
  Rosenthal, Michael 2203 ISR0.001-0.1525-3.75 
  Lifshits, Avraham 2016 ISR1.0010.652516.25 
  Soffer, Tal 1922 ISR0.5010.02250.50 
  Labonsky, Victor 2124 ISR1.0010.772519.25 
  Segal, Naum 2233 LAT0.001-0.1325-3.25 
  Boruchovsky, Avital 1960 ISR1.0010.572514.25 

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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