Individual Calculations September 2022
 Ebrahimi Herab, Hamidreza  Total change: 109.20  Rating chartPersonal card
 10th Qazvin Cup - A Group (Over 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 2012 1947 6.50 9 2.73 40 109.20 
  Rabi, Amir 1745 IRI0.501-0.2640-10.40 
  Azizkhani, Nima 1730 IRI1.0010.22408.80 
  Azadi, Amirmohammad 2234 IRI1.0010.844033.60 
  Naderi, Abdollah 2133 IRI0.5010.24409.60 
  Movahed, Sina 2058 IRI0.5010.15406.00 
  Ahmadi, Erfan 1887 IRI1.0010.424016.80 
  Daliri, Pedram 2170 IRI0.5010.284011.20 
  Yadegar, Radin 2029 IRI0.5010.11404.40 
  Khademi, Mahdi 2119 IRI1.0010.734029.20 

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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