Individual Calculations May 2016
 Vahdatian, Davood  Total change: 9.40  Rating chartPersonal card
 Iran Junior under-20 championships Semnan IRI 2016-04-20
RcRownchangeKK*chgGame
 2162 2025 2.50 6 0.47 20 9.40 
  Moradi, Amirmasoud 2221 IRI0.001-0.2520-5.00 
  Poormosavi, Seyed Kian 1922 IRI0.001-0.6420-12.80 
  Jamshidi, Amir Hossein 2172 IRI1.0010.702014.00 
  Hamidi, Amir Mohammad 2209 IRI0.5010.24204.80 
  Mousavi, Seyed Khalil m2416 IRI0.001-0.0920-1.80 
  Moghadam, Alireza 2031 IRI1.0010.512010.20 

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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