Individual Calculations May 2023
 Amiri, Firooz  Total change: -30.20  Rating chartPersonal card
 Kermanshah Norouz Cup 1402 Kermanshah IRI 2023-03-30
RcRownchangeKK*chgGame
 1275 1541 4.00 7 -1.51 20 -30.20 
  Nazari, Farhad 1305 IRI1.0010.20204.00 
  Zolfaghari, Mohammad Javad 1749 IRI0.001-0.2320-4.60 
  Heydarian, Amir Hossein 1191 IRI1.0010.11202.20 
  Teimori, Ali 1232 IRI0.501-0.3620-7.20 
  Samimi, Ali 1213 IRI0.001-0.8720-17.40 
  Bigdeli, Melisa 1094 IRI1.0010.06201.20 
  Yazdani, Saghar 1141  * IRI0.501-0.4220-8.40 
 * 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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