Individual Calculations September 2018
 Afri, Mostafa  Total change: -13.60  Rating chartPersonal card
 Khouzestan Men Chess Championship 1397 Khuzestan IRI 2018-07-31
RcRownchangeKK*chgGame
 1650 1292 0.00 3 -0.32 40 -12.80 
  Ajeli, Saeed 1692  * IRI0.001-0.0840-3.20 
  Mazraeh, Ebrahim 1643 IRI0.001-0.1140-4.40 
  Ghoreyshi Zadeh, Seyed Mehdi 1616 IRI0.001-0.1340-5.20 
 * 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)
 
 Iran Boys Student elementary school Chess Championship 1397 Ramsar IRI 2018-08-22
RcRownchangeKK*chgGame
 1391 1320 2.50 6 -0.02 40 -0.80 
  Navidi, Parsa 1674 IRI0.001-0.1140-4.40 
  Navidi, Amir Mahdi 1325 IRI1.0010.514020.40 
  Mokkarian, Arian 1478 IRI0.001-0.2940-11.60 
  Mazandaranizadeh, Radman 1240 IRI0.501-0.1140-4.40 
  Ghanbari, Mahdi 1329 IRI1.0010.514020.40 
  Vosooghy, Parsa 1300 IRI0.001-0.5340-21.20 

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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