Individual Calculations November 2018
 Ghorbani, Arad  Total change: 6.40  Rating chartPersonal card
 Iran Boys U10 Chess Championship 2018 Esfahan IRI 2018-10-09
RcRownchangeKK*chgGame
 1203 1233 4.50 8 0.16 40 6.40 
  Miar, Arad 1488 IRI0.001-0.1940-7.60 
  Alizadeh, Farbod 1030 IRI0.501-0.2640-10.40 
  Jafarpour, Bardia 1053 IRI1.0010.264010.40 
  Mehrdad, Seyed Amir 1054 IRI1.0010.274010.80 
  Ghafari, Alireza 1387 IRI0.5010.21408.40 
  Molai Nasab, Mohamad Matin 1470 IRI0.001-0.2040-8.00 
  Zakeri Khou, Amirhossein 1101 IRI1.0010.324012.80 
  Ghorbani, Saniar 1040 IRI0.501-0.2540-10.00 

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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