Rapid: Individual Calculations February 2019
 Mohammad Bidaghi, Ali  Total change: -23.60  Rating chartPersonal card
 Shahrokh Ahvaz Chess School Rapid Cup 1397 Ahvaz IRI 2019-01-15
RcRownchangeKK*chgGame
 1304 1422 2.00 5 -1.18 20 -23.60 
  Baymani, Mohsen 1199 IRI0.001-0.7820-15.60 
  Afri, Mostafa 1462 IRI0.001-0.4420-8.80 
  Afri, Mohammad Sajad 1226 IRI1.0010.25205.00 
  Yar Ahmadi, Kioumars 1544 IRI0.001-0.3320-6.60 
  Goharchin, Erfan 1090 IRI1.0010.12202.40 

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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