Rapid: Individual Calculations September 2017
 Seidabadi, Gholamreza  Total change: -4.40  Rating chartPersonal card
 Iranian Chess School Rapid Mordad 1396 Gorgan IRI 2017-08-12
RcRownchangeKK*chgGame
 1737 1850 3.50 6 -0.22 20 -4.40 
  Ghadi Sahebi, Hosein 1450  * IRI1.0010.08201.60 
  Dorpa, Mohammad Mahdi 1450  * IRI1.0010.08201.60 
  Gharaei, Jome Mohammad 1662 IRI1.0010.26205.20 
  Abedi, Ali 2214 IRI0.001-0.1020-2.00 
  Roohi, Abdolmajid 2193 IRI0.001-0.1220-2.40 
  Rahimi, Panteha 1450  * IRI0.501-0.4220-8.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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