Rapid: Individual Calculations September 2019
 Mousavi, Seyed Mahan  Total change: 3.60  Rating chartPersonal card
 4th Lahijan Youth Under 12 Group B Lahijan IRI 2019-08-14
RcRownchangeKK*chgGame
 1305 1195 1.00 2 0.18 20 3.60 
  Khoshhal, Mahan 1015 IRI1.0010.26205.20 
  Khanipour, Abolfazl 1595  * IRI0.001-0.0820-1.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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