Rapid: Individual Calculations January 2018
 Jafari, Sepehr  Total change: 12.40  Rating chartPersonal card
 Tehran North East Parliamentary day Rapid Azar 1396 Tehran IRI 2017-11-30
RcRownchangeKK*chgGame
 1548 1421 2.00 4 0.62 20 12.40 
  Mahdavi, Mahdis 1699 IRI0.001-0.1720-3.40 
  Tohid Nia, Melika 1253 IRI0.001-0.7220-14.40 
  Pira, Sahel 1642 IRI1.0010.782015.60 
  Babaei, Amir Hossein 1599 IRI1.0010.732014.60 

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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