Individual Calculations January 2020
 Yar Ahmadi, Kioumars  Total change: -2.00  Rating chartPersonal card
 6th Arvand Cup 2019 (U1500) Abadan IRI 2019-12-02
RcRownchangeKK*chgGame
 1302 1315 3.50 7 -0.05 40 -2.00 
  Rezaeii, Amirreza 1402 IRI0.001-0.3840-15.20 
  Abouli Galle Dari, Shahrokh 1028 IRI1.0010.16406.40 
  Taheri, Mohammad Ali 1417 IRI0.5010.14405.60 
  Hashemi, Farhang 1414 IRI1.0010.644025.60 
  Afri, Mostafa 1363 IRI0.001-0.4340-17.20 
  Barati, Amin 1380 IRI0.001-0.4140-16.40 
  Daraei, Mohammad 1107 IRI1.0010.23409.20 

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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