Individual Calculations April 2023
 Bahmani, Koorosh  Total change: -64.40  Rating chartPersonal card
 Markazi U12 Boys Chess Championship Markazi IRI 2023-03-19
RcRownchangeKK*chgGame
 1605 1986 1.50 2 -0.32 40 -12.80 
  Salimi, Hossein 1586  * IRI1.0010.08403.20 
  Biglarifard, Koorosh 1623 IRI0.501-0.4040-16.00 
 * 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 8-9 Markazi IRI 2023-03-19
RcRownchangeKK*chgGame
 1672 1986 2.00 2 0.29 40 11.60 
  Yousefi, Mahyar 1757 IRI1.0010.21408.40 
  Esmaili, Mohammad Arsalan 1586  * IRI1.0010.08403.20 
 * 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)
 
 Philekhoob 4th Nowruz Cup Standard 2023 Group A (1900 to 2100) Markazi IRI 2023-03-22
RcRownchangeKK*chgGame
 1979 1986 1.50 6 -1.58 40 -63.20 
  Vahdatian, Davood 2001 IRI0.001-0.4840-19.20 
  Bahrami Hezaveh, Navid 2003 IRI0.001-0.4840-19.20 
  Heravi, Mohammad Hossein 1932 IRI1.0010.424016.80 
  Vahdatian, Davood 2001 IRI0.5010.02400.80 
  Bahrami Hezaveh, Navid 2003 IRI0.001-0.4840-19.20 
  Heravi, Mohammad Hossein 1932 IRI0.001-0.5840-23.20 

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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