Individual Calculations April 2023
 Rezaei, Babollah  Total change: 110.40  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1657 1143 3.50 8 2.76 40 110.40 
  Kazemipour, Samad 1238 IRI0.5010.13405.20 
  Safari, Nima 1758 IRI1.0010.984039.20 
  Baradarani, Bahram 1841 IRI1.0010.994039.60 
  Ebrahimi, Nima 1953 IRI0.0010.00400.00 
  Alavinia, Hossein 1651 IRI1.0010.964038.40 
  Heravi, Mohammad Hossein 1932 IRI0.0010.00400.00 
  Sarvin, Alireza 1444 IRI0.001-0.1540-6.00 
  Parvini Nezhad, Ilya 1440 IRI0.001-0.1540-6.00 

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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