Individual Calculations June 2022
 Doustar, Mehrsa  Total change: -46.00  Rating chartPersonal card
 Tehran Chess Championship U12 Boys Tehran IRI 2022-05-01
RcRownchangeKK*chgGame
 1293 1200 0.50 4 -1.15 40 -46.00 
  Mahdizadeh, Sadra 1626 IRI0.001-0.0740-2.80 
  Razaviyan, Seyed Ramtin 1236 IRI0.5010.05402.00 
  Pejhan, Arya 1194 IRI0.001-0.5140-20.40 
  Akrami, Tohid 1114 IRI0.001-0.6240-24.80 

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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