Individual Calculations September 2019
 Najafi Tabar, Aydin  Total change: -23.80  Rating chartPersonal card
 9th Qazvin Cup - A Group (U-2100) Qazvin IRI 2019-07-27
RcRownchangeKK*chgGame
 1786 1906 2.50 7 -2.01 20 -40.20 
  Mazarei, Mohammad 1592 IRI1.0010.14202.80 
  Kaboudi, Seyed Behrang 2026 IRI0.001-0.3420-6.80 
  Khanipour, Abolfazl 1622 IRI1.0010.16203.20 
  Elahi, Abdollah 2046 IRI0.001-0.3120-6.20 
  Yadegar, Radin 1763 IRI0.001-0.6920-13.80 
  Sadeghi, Amir 1757 IRI0.001-0.7020-14.00 
  Jivi Khorasanlou, Aida 1693 IRI0.501-0.2720-5.40 

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)
 
 Ardabil Week Achmaz School Standard Cup shahrivar 1398 Ardabil IRI 2019-08-20
RcRownchangeKK*chgGame
 1803 1932 6.00 8 0.82 20 16.40 
  Basharkhah, Shapour 1568 IRI0.501-0.4020-8.00 
  Imani, Adrina 1532  * IRI1.0010.08201.60 
  Rahbari, Salar 1739 IRI1.0010.25205.00 
  Golshannejad, Sepehr 1840 IRI1.0010.37207.40 
  Safarian, Javad 1984 IRI0.5010.07201.40 
  Ahmadi, Ramin 1883 IRI1.0010.43208.60 
  Safari Aghdam, Amir 1937 IRI0.5010.01200.20 
  Samsam, Farhad 1938 IRI0.5010.01200.20 
 * 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)
 

 

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