Individual Calculations June 2022
 Saghafi, Sadra  Total change: 23.60  Rating chartPersonal card
 Iranian Cadet Chess Championship (Open U12) Gorgan IRI 2022-05-07
RcRownchangeKK*chgGame
 1283 1128 2.50 6 0.59 40 23.60 
  Safarnezhad, Armin 1573 IRI0.001-0.0640-2.40 
  Akrami, Tohid 1114 IRI0.001-0.5240-20.80 
  Tavakkoli, Mahziar 1201 IRI0.5010.10404.00 
  Aminalroaya, Mohammaddariush 1228 IRI1.0010.644025.60 
  Hourizad, Martia 1314 IRI0.001-0.2640-10.40 
  Khosravi, Hasan 1267 IRI1.0010.694027.60 

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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