Individual Calculations September 2022
 Fatahipour, Valiollah  Total change: -30.60  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1252 1249 0.00 3 -1.53 20 -30.60 
  Sotoude Nia, Mahdiar 1534 IRI0.001-0.1620-3.20 
  Rahmani, Pouria 1112 IRI0.001-0.6820-13.60 
  Sarlak, Negar 1111 IRI0.001-0.6920-13.80 

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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