Individual Calculations January 2020
 Rabbani, Abtin  Total change: -15.60  Rating chartPersonal card
 Tabriz 2nd U2000 Chess ( Grand Prophet's Memorial ) Tabriz IRI 2019-12-07
RcRownchangeKK*chgGame
 1600 1401 1.00 5 -0.39 40 -15.60 
  Balayi Orojali Lo, Somayyeh 1125 IRI1.0010.17406.80 
  Alizadeh, Adel 1801  * IRI0.001-0.0840-3.20 
  Mousavi, Seyyed Mehdi 1765 IRI0.001-0.1040-4.00 
  Shamsvala, Arash 1666 IRI0.001-0.1840-7.20 
  Farid Ahmadinia, Hosein 1642 IRI0.001-0.2040-8.00 
 * 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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