Individual Calculations July 2012
 Vojdani, Siavosh  Total change: 22.20  Rating chartPersonal card
 World School Chess Championship - Open U13 Iasi ROU 2012-04-28
RcRownchangeKK*chgGame
 1725 1779 6.00 8 1.48 15 22.20 
  Kenenbaev, Aidar 1647 KGZ0.501-0.1815-2.70 
  Arjun, Adappa 1461 IND1.0010.13151.95 
  Trjapishko, Alexandr 2085 UKR0.5010.36155.40 
  Sonwane, Digvijay 1634 IND1.0010.31154.65 
  Mamyrbay, Assad 1482 KAZ1.0010.15152.25 
  Drygalov, Sergey 1895 RUS0.001-0.3415-5.10 
  Bashirli, Nail 1711 AZE1.0010.41156.15 
  Oyama, Akito 1885 ENG1.0010.64159.60 

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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