Individual Calculations June 2022
 Razzaghi, Ali  Total change: -6.00  Rating chartPersonal card
 Tehran Chess Championship U10 Boys Tehran IRI 2022-05-01
RcRownchangeKK*chgGame
 1268 1136 0.50 2 -0.15 40 -6.00 
  Houshyar, Hadi 1321 IRI0.5010.24409.60 
  Rezaei Abbasi, Barmaan 1214 IRI0.001-0.3940-15.60 

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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