Individual Calculations April 2009
 Gelman, Hagai  Total change: -28.75  Rating chartPersonal card
 Chaim Kandelshine Memorial 2008 Herzlia ISR 2008-10-27
RcRownchangeKK*chgGame
 1991 1840 1.00 7 -1.15 25 -28.75 
  Magen, Paz 1994 ISR0.5010.21255.25 
  Porat, Daniel 2190 ISR0.001-0.1125-2.75 
  Portnoy, Matan 1969 ISR0.001-0.3325-8.25 
  Ben Porat, Zeev 1995 ISR0.001-0.2925-7.25 
  Towers, Brian 1881 ISR0.001-0.4425-11.00 
  Goldberg, Grigory 1902 ISR0.001-0.4125-10.25 
  Bar-Or, Ornan 2005 ISR0.5010.22255.50 

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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