Individual Calculations August 2017
 Ebrahimi, Omid  Total change: -66.80  Rating chartPersonal card
 Asian Zonal Chess Championships 2017 Men Zone 3.1 Tehran IRI 2017-06-30
RcRownchangeKK*chgGame
 2072 1957 1.50 9 -1.67 40 -66.80 
  Daghli, Arash 2220 IRI0.001-0.1840-7.20 
  Mashatan, Reza 2135 IRI0.001-0.2740-10.80 
  Karimi, Omid 2067 IRI1.0010.654026.00 
  Ghorbani, Hadi 2176 IRI0.001-0.2240-8.80 
  Koniahli, Malek 2106 SYR0.001-0.3040-12.00 
  Mousavi Ghods, Hossein 1930 IRI0.501-0.0440-1.60 
  Harandi, Hootan 2020 IRI0.001-0.4140-16.40 
  Zomorrodian, Eilia f2092 IRI0.001-0.3240-12.80 
  Rezaee, Mahdi 1901 IRI0.001-0.5840-23.20 

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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