Rapid: Individual Calculations May 2019
 Soltani, Ali  Total change: -9.00  Rating chartPersonal card
 Alborz Rapid Championship 1398 Boys U8 Alborz IRI 2019-04-26
RcRownchangeKK*chgGame
 1147 1131 0.50 2 -0.45 20 -9.00 
  Khoshnam, Arash 1158 IRI0.001-0.4620-9.20 
  Karevan, Benyamin 1136 IRI0.5010.01200.20 

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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