Individual Calculations June 2022
 Kalhori, Mohammad Aeen  Total change: -23.60  Rating chartPersonal card
 Tehran Chess Championship U10 Boys Tehran IRI 2022-05-01
RcRownchangeKK*chgGame
 1104 1121 0.50 1 -0.02 40 -0.80 
  Mohammadi, Yousef 1104 IRI0.501-0.0240-0.80 

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)
 
 Iranian Cadet Chess Championship (Open U10) Sari IRI 2022-05-07
RcRownchangeKK*chgGame
 1379 1121 0.00 3 -0.57 40 -22.80 
  Dabiri, Kasra 1404 IRI0.001-0.1640-6.40 
  Abdi Shishehgaran, Arad 1446 IRI0.001-0.1340-5.20 
  Firoozi, Farbod 1288 IRI0.001-0.2840-11.20 

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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