Rapid: Individual Calculations May 2018
 Mahdavi, Armin  Total change: -0.40  Rating chartPersonal card
 Iranian Cadets Rapid Chess Championships - U10 Tehran IRI 2018-04-26
RcRownchangeKK*chgGame
 1353 1354 3.50 7 -0.02 20 -0.40 
  Jafari, Behnia 1126 IRI1.0010.21204.20 
  Shams, Mohammad Matin 1495 IRI0.5010.19203.80 
  Mokhtari Moghadam, Taha 1627 IRI0.001-0.1720-3.40 
  Vahabzadeh, Rouzbeh 1257 IRI1.0010.37207.40 
  Dorpa, Mohammad Mahdi 1485 IRI0.001-0.3220-6.40 
  Rahmanizadeh, Rezhwan 1205 IRI1.0010.30206.00 
  Valaei Kebria, Abolfazl 1278 IRI0.001-0.6020-12.00 

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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