Individual Calculations September 2018
 Zandkarimi, Raef  Total change: 83.60  Rating chartPersonal card
 Iran Boys Student Middle school Chess Championship 1397 Zanjan IRI 2018-08-07
RcRownchangeKK*chgGame
 1692 1490 4.00 7 2.09 40 83.60 
  Toufani, Kourosh 1890  * IRI1.0010.924036.80 
  Aghamohamadi, Mohamad Arshia 1764 IRI1.0010.834033.20 
  Davoodabadi Farahani, Mohamad 1806 IRI0.001-0.1340-5.20 
  Saedi, Pedram 1263 IRI1.0010.21408.40 
  Azadi, Amirmohammad 1890  * IRI0.001-0.0840-3.20 
  Yousefian, Ali 1655 IRI0.5010.22408.80 
  Orous Khani, Kourosh 1577 IRI0.5010.12404.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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