Rapid: Individual Calculations April 2018
 Najafi Tabar, Aydin  Total change: 28.20  Rating chartPersonal card
 1st Minoodor Qazvin Cup Esfand 1396 Qazvin IRI 2018-03-15
RcRownchangeKK*chgGame
 1681 1843 6.00 7 1.41 20 28.20 
  Rahmani, Helya 1443  * IRI1.0010.08201.60 
  Azadi, Amirmohammad 2089 IRI0.001-0.1920-3.80 
  Razi, Amir Mohammad 1443  * IRI1.0010.08201.60 
  Abdolhoseini, Arshiya 1443  * IRI1.0010.08201.60 
  Mazandaranizadeh, Radman 1443  * IRI1.0010.08201.60 
  Soudmand, Sayed Mohsen 1843 IRI1.0010.502010.00 
  Mahdavi, Hassan 2062 IRI1.0010.782015.60 
 * 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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