Individual Calculations September 2019
 Amiri, Reza  Total change: 29.20  Rating chartPersonal card
 6th Gilan Ayandehsazan Leage ( Under 12)1398 Gilan IRI 2019-08-16
RcRownchangeKK*chgGame
 1170 1270 2.00 2 0.73 40 29.20 
  Rajabnejad, Amirali 1194 IRI1.0010.404016.00 
  Salehzadeh, Lona 1146 IRI1.0010.334013.20 

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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