Individual Calculations May 2019
 Tahvili Raftar, Iman  Total change: -4.60  Rating chartPersonal card
 Tehran Standard Cup 21-27Farvardin 1398 (U-1800) Tehran IRI 2019-04-10
RcRownchangeKK*chgGame
 1435 1462 3.00 6 -0.23 20 -4.60 
  Rashidi, Masood 1750 IRI0.5010.34206.80 
  Mohammadalizadeh Lashkari, Erfan 1454 IRI0.501-0.0120-0.20 
  Mirdavoodi, Hasan 1770 IRI0.001-0.1420-2.80 
  Mahmoudi, Masoud 1183 IRI1.0010.16203.20 
  Kargari Arian, Saba 1286 IRI0.001-0.7320-14.60 
  Jolani, Parnian 1168 IRI1.0010.15203.00 

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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