Individual Calculations September 2022
 Raygantafrashi, Sara  Total change: -1.20  Rating chartPersonal card
 1st IRCF Standard Tournament 1401 Tehran IRI 2022-08-15
RcRownchangeKK*chgGame
 1577 1312 0.50 3 -0.03 40 -1.20 
  Shool, Iliya 1598 IRI0.001-0.1640-6.40 
  Pour Eskandar, Aliakbar 1560 IRI0.5010.314012.40 
  Dabiri, Kasra 1573 IRI0.001-0.1840-7.20 

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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