Rapid: Individual Calculations June 2019
 Lotfi, Mahdi  Total change: -15.60  Rating chartPersonal card
 4th nimeh shaban Marand Rapid Chess tournament West Azarbayjan IRI 2019-04-30
RcRownchangeKK*chgGame
 1366 1146 0.00 3 -0.78 20 -15.60 
  Hosseini, Seyed Sadegh 1546  * IRI0.001-0.0820-1.60 
  Saedi, Saleh 1442 IRI0.001-0.1520-3.00 
  Najafi, Mani 1109 IRI0.001-0.5520-11.00 
 * 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)
 

 

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