Rapid: Individual Calculations April 2023
 Abramov, David  Total change: -23.00  Rating chartPersonal card
 Israeli Seniors Championship 2023 Herzliya ISR 2023-03-02
RcRownchangeKK*chgGame
 1713 1772 3.50 8 -1.15 20 -23.00 
  Schulman, Leonid f2225 RUS0.5010.44208.80 
  Idesis, Yaacov 1776 ISR0.001-0.4920-9.80 
  Cohen, Ofer 1578 ISR0.001-0.7520-15.00 
  Pleshtaev, Eliahu 1372  * ISR1.0010.08201.60 
  Siti, Eli 1550 ISR1.0010.22204.40 
  Marcovici, Adrian 1757 ISR0.001-0.5220-10.40 
  Vorobyev, Vladimir 1780 ISR0.001-0.4920-9.80 
  Grinberg, Yaacov 1668 ISR1.0010.36207.20 
 * 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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