Individual Calculations September 2018
 Kooh Peima, Ali  Total change: 34.80  Rating chartPersonal card
 Fars Standard Cup U-14 Mordad 1397 Fars IRI 2018-07-28
RcRownchangeKK*chgGame
 1306 1454 6.50 8 1.12 40 44.80 
  Shool, Iliya 1078 IRI1.0010.09403.60 
  Hashemi Zadeh, Seyyed Kasra 1228 IRI1.0010.21408.40 
  Samimi, Armin 1291 IRI0.501-0.2240-8.80 
  Abbasifar, Baran 1623 IRI1.0010.724028.80 
  Nematolahi, Amirali 1065 IRI1.0010.09403.60 
  Kardani, Ali 1430 IRI0.001-0.5340-21.20 
  Noori, Amir Mohammad 1359 IRI1.0010.374014.80 
  Ghafari, Alireza 1375 IRI1.0010.394015.60 

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)
 
 Iran Boys Student elementary school Chess Championship 1397 Ramsar IRI 2018-08-22
RcRownchangeKK*chgGame
 1651 1454 0.00 1 -0.25 40 -10.00 
  Tavakoli, Amirmohammad 1651 IRI0.001-0.2540-10.00 

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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