Rapid: Individual Calculations May 2018
 Alizadeh, Davood  Total change: 23.20  Rating chartPersonal card
 Ahar Rapid Chess Championship Farvardin 1397 Ahar IRI 2018-04-21
RcRownchangeKK*chgGame
 1716 1767 4.00 5 1.16 20 23.20 
  Shirini, Mohsen 1578 IRI1.0010.25205.00 
  Lotfizadeh, Mehdi 1599 IRI1.0010.28205.60 
  Hemmatjou, Arash 1966 IRI1.0010.762015.20 
  Pino, Ali Asghar 1596 IRI0.501-0.2320-4.60 
  Alizadeh, Aadel 1841 IRI0.5010.10202.00 

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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