Individual Calculations December 2018
 Tajmir Riyahi, Nooshin  Total change: 18.40  Rating chartPersonal card
 9th Esfahan Chess League 1397 Round 1-3 Esfahan IRI 2018-11-16
RcRownchangeKK*chgGame
 1224 1252 1.00 1 0.46 40 18.40 
  Malekolkalami, Arezou 1224 IRI1.0010.464018.40 

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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