Rapid: Individual Calculations October 2018
 Sakhayi, Mostafa  Total change: 11.40  Rating chartPersonal card
 Qom State Rapid Chess Championship 1397 Qom IRI 2018-08-29
RcRownchangeKK*chgGame
 1702 2058 5.00 5 0.57 20 11.40 
  Zareei, Behrooz 1658  * IRI1.0010.08201.60 
  Ghiasi, Mohsen 1658  * IRI1.0010.08201.60 
  Eslami, Hamidreza 1658  * IRI1.0010.08201.60 
  Motalebi Shahryar, Mahdi 1701 IRI1.0010.11202.20 
  Borzoonezhad, Majid 1833 IRI1.0010.22204.40 
 * 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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