Individual Calculations April 2023
 Jafari, Davood  Total change: -71.60  Rating chartPersonal card
 7th Khavaran Standard International (B Category :Rating Under 1800) Birjand IRI 2023-03-25
RcRownchangeKK*chgGame
 1214 1386 1.00 4 -1.79 40 -71.60 
  Noferesti, Morteza 1587 IRI0.001-0.2440-9.60 
  Khandan, Mahya 1067 IRI1.0010.13405.20 
  Ranjbar Koler, Mohammadtaha 1110 IRI0.001-0.8340-33.20 
  Hajipour, Edris 1093 IRI0.001-0.8540-34.00 

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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