Individual Calculations October 2018
 Bozorgzade, Erfan  Total change: 10.20  Rating chartPersonal card
 3rd Iranian Amateur Under 1700 Championship 1397 Zanjan IRI 2018-09-10
RcRownchangeKK*chgGame
 1637 1597 4.50 9 0.51 20 10.20 
  Biabani, Hadi 1658 IRI1.0010.582011.60 
  Salimi, Mardin 1634 IRI1.0010.552011.00 
  Aliei, Davoud 1679 IRI1.0010.612012.20 
  Ojaghi, Mehrad 1631 IRI0.001-0.4520-9.00 
  Allahverdi, Davood 1654 IRI0.5010.08201.60 
  Kiani, Rahil 1699 IRI0.001-0.3620-7.20 
  Khalifezadeh, Jaafar 1701 IRI0.001-0.3620-7.20 
  Amini, Asal 1381 IRI1.0010.22204.40 
  Rasouli Mehrjardi, Amirmohammad 1697 IRI0.001-0.3620-7.20 

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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