Rapid: Individual Calculations April 2023
 Jaferian, Koosha  Total change: -7.60  Rating chartPersonal card
 2023 Excelsior March Rapid Championship Toronto CAN 2023-03-18
RcRownchangeKK*chgGame
 2176 2123 1.00 3 -0.38 20 -7.60 
  Abrahams, Daniel 2117 CAN1.0010.49209.80 
  Nagy, Gabor g2510 HUN0.001-0.0920-1.80 
  Ning, Eric 1902 CAN0.001-0.7820-15.60 

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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