Individual Calculations January 2023
 Shahsanam, Alireza  Total change: 8.40  Rating chartPersonal card
 Markazi Chess Championship 1401 Arak IRI 2022-12-08
RcRownchangeKK*chgGame
 1554 1795 5.50 7 0.18 20 3.60 
  Rajabi, Mohamad Sadra 1395  * IRI1.0010.08201.60 
  Vahidifard, Mohammadreza 1300 IRI1.0010.04200.80 
  Borji, Parham 1590 IRI1.0010.24204.80 
  Saeedi, Reza 1820 IRI0.5010.03200.60 
  Dolat Abadi, Gholamabbas 1479 IRI0.501-0.3720-7.40 
  Ghadiri, Sina 1476 IRI1.0010.13202.60 
  Maleki, Amirabbas 1820 IRI0.5010.03200.60 
 * 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)
 
 PhileKhoob League 2022 Round 2-4 Arak IRI 2022-12-24
RcRownchangeKK*chgGame
 1590 1795 1.00 1 0.24 20 4.80 
  Borji, Parham 1590 IRI1.0010.24204.80 

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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