Individual Calculations July 2023
 Omidinia, Parham  Total change: -1.60  Rating chartPersonal card
 Esfahan City Chess Championship (Open) 1402 Esfahan IRI 2023-06-21
RcRownchangeKK*chgGame
 1705 1118 0.00 2 -0.04 40 -1.60 
  Khosravi Mahmoei, Hasti 1691 IRI0.001-0.0240-0.80 
  Nasiri, Hamid Reza 1719 IRI0.001-0.0240-0.80 

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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