Individual Calculations November 2023
 Ezzati, Fereidoon  Total change: -20.40  Rating chartPersonal card
 1st Father Cup Standard Chess Tournament [Afzoon Group] Gilan-Rasht IRI 2023-10-19
RcRownchangeKK*chgGame
 1590 1965 1.50 3 -1.19 20 -23.80 
  Fardi, Kian 1565  * IRI1.0010.08201.60 
  Rahimi, Panteha 1518 IRI0.501-0.4420-8.80 
  Abbaszadeh, Amin 1688 IRI0.001-0.8320-16.60 
 * 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)
 
 20th Gilan First League Round 1 Gilan IRI 2023-10-28
RcRownchangeKK*chgGame
 1688 1965 1.00 1 0.17 20 3.40 
  Abbaszadeh, Amin 1688 IRI1.0010.17203.40 

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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