Individual Calculations January 2019
 Derakhshan, Alireza  Total change: 4.00  Rating chartPersonal card
 Tehran North East Cup Azar 1397 - Open Tehran IRI 2018-12-18
RcRownchangeKK*chgGame
 1384 1584 4.00 5 0.42 40 16.80 
  Dehghan, Amir 1184  * IRI1.0010.08403.20 
  Mobarhani, Nazanin wc1863 IRI0.001-0.1640-6.40 
  Saeidi, Amir Mohammad 1184  * IRI1.0010.08403.20 
  Hashemi, Ali 1274 IRI1.0010.14405.60 
  Ahmadi, Saman 1416 IRI1.0010.284011.20 
 * 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)
 
 Tehran U 18 League 2018 Round 5-8 Tehran IRI 2018-12-22
RcRownchangeKK*chgGame
 1343 1584 2.00 3 -0.32 40 -12.80 
  Yadollahi, Amirhossein 1184  * IRI1.0010.08403.20 
  Ghorbani Shendi, Abolfazl 1330 IRI0.001-0.8140-32.40 
  Navidi, Parsa 1516 IRI1.0010.414016.40 
 * 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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