Rapid: Individual Calculations October 2018
 Iri, Zaher  Total change: -9.40  Rating chartPersonal card
 Iran Senior (S50) Rapid Championship 1397 Semnan IRI 2018-09-08
RcRownchangeKK*chgGame
 1423 1411 2.00 5 -0.47 20 -9.40 
  Fardbehbahani, Behnam 1761 IRI0.001-0.1120-2.20 
  Babaee, Abdolreza 1334 IRI1.0010.39207.80 
  Mesbahi, Abdollah 1136 IRI1.0010.17203.40 
  Feyli, Aliasghar 1392 IRI0.001-0.5320-10.60 
  Kazemi, Rahmanberdi 1493 IRI0.001-0.3920-7.80 

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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