Individual Calculations May 2012
 Mahmoodi, Nader  Total change: 20.10  Rating chartPersonal card
 2nd Qazvin Int. Open Tournament Qazvin IRI 2012-03-08
RcRownchangeKK*chgGame
 1899 2061 2.00 2 0.67 30 20.10 
  Abedi, Abolfazl 2110 IRI1.0010.573017.10 
  Mobarhani, Nazanin 1687 IRI1.0010.10303.00 

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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