Individual Calculations October 2018
 Roknabedi, Alireza  Total change: -17.60  Rating chartPersonal card
 Fars Boys U-10 Chess Championship 1397 Fars IRI 2018-09-09
RcRownchangeKK*chgGame
 1019 1185 1.00 2 -0.44 40 -17.60 
  Meschi, Armin 1016 IRI1.0010.284011.20 
  Naghibi , Parsa 1021 IRI0.001-0.7240-28.80 

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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