Individual Calculations April 2009
 Pletner, Valery  Total change: -4.35  Rating chartPersonal card
 KFS Stav 2008 Rashit Kfar Saba ISR 2008-10-04
RcRownchangeKK*chgGame
 2070 2049 3.00 7 -0.29 15 -4.35 
  Patishi, Asaf 1953 ISR1.0010.37155.55 
  Zalkind, Konstantin f2149 ISR0.5010.14152.10 
  Tratatovici, Moise f2208 ISR0.001-0.2915-4.35 
  Paz, Arnon 1837 ISR0.501-0.2715-4.05 
  Hasidovski, Arnold 2182 ISR1.0010.681510.20 
  Shani, Amichai 2107 ISR0.001-0.4215-6.30 
  Efroimski, Marsel wf2052 ISR0.001-0.5015-7.50 

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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