Individual Calculations August 2015
 Hadari, Ariel  Total change: -17.40  Rating chartPersonal card
 Kiryat Ono Summer 2015 Open A Kiryat Ono ISR 2015-07-05
RcRownchangeKK*chgGame
 2143 2023 0.50 4 -0.87 20 -17.40 
  Zalkind, Konstantin f2249 ISR0.001-0.2120-4.20 
  Gershkowich, David f2196 ISR0.001-0.2720-5.40 
  Tal, Eyal 2044 ISR0.5010.03200.60 
  Kerner, Michael 2082 ISR0.001-0.4220-8.40 

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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