Individual Calculations September 2021
 Shafran, Gregory  Total change: -35.20  Rating chartPersonal card
 Israel senior championship 2021 semifinal. Ashdod 2021 Ashdod ISR 2021-07-07
RcRownchangeKK*chgGame
 1710 1806 2.00 6 -1.76 20 -35.20 
  Zilberov, Leonid 1603 ISR1.0010.24204.80 
  Slav, Moshe 1807 ISR0.001-0.5020-10.00 
  Vainer, Natan 1725 ISR0.001-0.6120-12.20 
  Vardi, Moshe 1663 ISR1.0010.31206.20 
  Marcovici, Adrian 1851 ISR0.001-0.4420-8.80 
  Kleitman, Alex 1608 ISR0.001-0.7620-15.20 

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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