Individual Calculations January 2020
 Yarifard, Hossein  Total change: 20.80  Rating chartPersonal card
 6th Arvand Cup 2019 (U1500) Abadan IRI 2019-12-02
RcRownchangeKK*chgGame
 1325 1416 5.50 8 0.59 40 23.60 
  Akbarpourmiri, Massoumeh 1247 IRI1.0010.284011.20 
  Darabi, Bahar 1091 IRI1.0010.13405.20 
  Yazdani, Parham 1344 IRI1.0010.404016.00 
  Darvishi, Mohammad Hossein 1373 IRI0.501-0.0640-2.40 
  Sadooni, Mohammadreza 1407 IRI1.0010.494019.60 
  Rezaeii, Amirreza 1402 IRI1.0010.484019.20 
  Farhani, Sina 1465 IRI0.001-0.4340-17.20 
  Heydari, Armin 1267 IRI0.001-0.7040-28.00 

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)
 
 Tabriz 2nd U2000 Chess ( Grand Prophet's Memorial ) Tabriz IRI 2019-12-07
RcRownchangeKK*chgGame
 1668 1416 1.00 5 -0.07 40 -2.80 
  Pour Asad, Ahad Agha 1436 IRI1.0010.534021.20 
  Farmani Anuoshe, Ariyan 1816  * IRI0.001-0.0840-3.20 
  Rezaei, Hamidreza 1789 IRI0.001-0.1040-4.00 
  Zarezadeh, Mohammad Mahdi 1686 IRI0.001-0.1740-6.80 
  Rahmani, Melika 1612 IRI0.001-0.2540-10.00 
 * 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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