Individual Calculations February 2015
 Ahadi, Mohammad Erfan  Total change: 51.60  Rating chartPersonal card
 Dey Cup (C) U-2100 (2015) Tehran IRI 2015-01-08
RcRownchangeKK*chgGame
 1490 1595 5.00 6 1.29 40 51.60 
  Sharafi, Amir Mehrad 1321 IRI1.0010.17406.80 
  Molazadeh, Darioush 1317 IRI0.501-0.3340-13.20 
  Akhlaghi, Farhang 1484 IRI1.0010.354014.00 
  Noorbakhsh Zadeh, Arshia 1244 IRI1.0010.11404.40 
  Keshtkaran, Mohammad 1756 IRI0.5010.21408.40 
  Karimian, Amin 1820 IRI1.0010.784031.20 

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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