Individual Calculations September 2022
 Roshani, Soroush  Total change: 143.60  Rating chartPersonal card
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1756 1424 4.50 7 3.59 40 143.60 
  Riahi, Arvin 1783 IRI0.001-0.1040-4.00 
  Abbasi, Meisam 1867 IRI1.0010.944037.60 
  Nadernia, Niki 1750 IRI0.001-0.1340-5.20 
  Hoseini, S.alireza 1836 IRI1.0010.934037.20 
  Delavari, Behnood 1743 IRI0.5010.374014.80 
  Zamani, Alireza 1715 IRI1.0010.854034.00 
  Safarnezhad, Armin 1601 IRI1.0010.734029.20 

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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