Individual Calculations May 2014
 Vahdati, Tayeb  Total change: 3.15  Rating chartPersonal card
 Qazvin Nowruz Open (2014) Qazvin IRI 2014-03-25
RcRownchangeKK*chgGame
 1870 1892 4.50 8 0.21 15 3.15 
  Soozankar, A.m. f2221 IRI0.001-0.1215-1.80 
  Behzad Nazif, Parva 1619 IRI1.0010.17152.55 
  Mohammadalizadeh, Omid 1689 IRI1.0010.24153.60 
  Aliakbari, Hanieh 1771 IRI1.0010.34155.10 
  Omidi, Arya 2047 IRI0.001-0.2915-4.35 
  Rastbod, Ali 1706 IRI1.0010.26153.90 
  Ghanbarzadeh, Reza 2201 IRI0.001-0.1415-2.10 
  Mahdavi, Hassan 1702 IRI0.501-0.2515-3.75 

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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