Individual Calculations July 2023
 Vahidi, Mohammad  Total change: 2.80  Rating chartPersonal card
 Iran Veterans (women&men) S50 Chess Championship 1402 Chaloos IRI 2023-06-12
RcRownchangeKK*chgGame
 1770 2049 7.50 9 0.14 20 2.80 
  Farshchi, Bahmanyar 1649  * IRI1.0010.08201.60 
  Mortazavi, Sayed Kamoloddin 1600 IRI1.0010.06201.20 
  Dianati, Reza 1762 IRI1.0010.16203.20 
  Pouresmaeil, Naser 1808 IRI0.501-0.3020-6.00 
  Mahmoody, M. Sadegh 1881 IRI0.501-0.2220-4.40 
  Hagh Taj Dar, Rajab Ali 1813 IRI1.0010.20204.00 
  Akhavan Rad, Aliasghar 1627 IRI1.0010.07201.40 
  Mohandesi, Shahin m1856 IRI0.501-0.2520-5.00 
  Noori, Amir 1933 IRI1.0010.34206.80 
 * 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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