Individual Calculations April 2009
 Cohen, Ofer  Total change: -2.75  Rating chartPersonal card
 KFS Stav 2008 Rashit Kfar Saba ISR 2008-10-04
RcRownchangeKK*chgGame
 2051 1939 2.00 6 -0.11 25 -2.75 
  Shlam, Yehuda 2147 ISR0.001-0.2325-5.75 
  Efroimski, Marsel wf2052 ISR0.001-0.3525-8.75 
  Landa, Leon 2052 ISR1.0010.652516.25 
  Atzmon, Emanuel 2105 ISR0.001-0.2825-7.00 
  Patishi, Asaf 1953 ISR1.0010.522513.00 
  Magen, Paz 1994 ISR0.001-0.4225-10.50 

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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