Individual Calculations April 2023
 Sarvin, Alireza  Total change: 2.40  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1532 1444 2.50 6 0.06 40 2.40 
  Amirpour, Saman 1787 IRI0.5010.384015.20 
  Maleki, Amirabbas 1828 IRI0.001-0.0940-3.60 
  Monfared, Kimia 1317 IRI0.001-0.6740-26.80 
  Farhadi, Ghorban 1435 IRI1.0010.494019.60 
  Rezaei, Babollah 1143 IRI1.0010.15406.00 
  Siani, Ali 1681 IRI0.001-0.2040-8.00 

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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