Individual Calculations September 2009
 Zifroni, Dov  Total change: -7.00  Rating chartPersonal card
 ISR 2nd League North 2009 Various ISR 2009-01-08
RcRownchangeKK*chgGame
 2264 2479 7.00 10 -0.70 10 -7.00 
  Cohen, Or f2286 ISR1.0010.25102.50 
  Kogan, Pavel 2129 ISR1.0010.11101.10 
  Shachar, Ehud f2367 ISR1.0010.35103.50 
  Lurie, Michael 2303 ISR1.0010.27102.70 
  Stepak, Yedael f2249 ISR1.0010.21102.10 
  Miller, Evgeny 2260 CAN0.501-0.2810-2.80 
  Zak, Uri 2198 ISR0.501-0.3410-3.40 
  Goldin, Roman 2280 ISR0.001-0.7610-7.60 
  Rozhanski, Yosef 2272 ISR0.501-0.2710-2.70 
  Blodstein, Arkady 2295 ISR0.501-0.2410-2.40 

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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