Individual Calculations February 2020
 Mohammadalizadeh Lashkari, Erfan  Total change: 8.40  Rating chartPersonal card
 Tehran Starndard Cup 25-30 Day 1398 Tehran IRI 2020-01-15
RcRownchangeKK*chgGame
 1477 1504 2.50 4 0.42 20 8.40 
  Samadi, Mohammad 1104  * IRI1.0010.08201.60 
  Ahmadi, Solaleh 1185 IRI1.0010.13202.60 
  Hesami, M.hosein 1753 IRI0.5010.31206.20 
  Rajabi, Mohsen 1866 IRI0.001-0.1020-2.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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