Individual Calculations January 2009
 Segal, Naum  Total change: -14.25  Rating chartPersonal card
 Stav Rishon Intl 2008 Rishon Le-Zion ISR 2008-09-15
RcRownchangeKK*chgGame
 2058 2210 2.50 5 -0.95 15 -14.25 
  Goldfarb, Ilan 2144 ISR0.001-0.5915-8.85 
  Rosenthal, Michael 2203 ISR0.501-0.0115-0.15 
  Chikman, Alan 1909 ISR0.001-0.8515-12.75 
  Heruti, Ofer 2018 ISR1.0010.25153.75 
  Lifshits, Avraham 2016 ISR1.0010.25153.75 

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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