Rapid: Individual Calculations April 2023
 Boulos, Boulos  Total change: -50.20  Rating chartPersonal card
 Purrim 2023 Chess4All from 1650 Savion ISR 2023-03-08
RcRownchangeKK*chgGame
 1480 1570 0.50 5 -2.51 20 -50.20 
  Dimenshtein, Daniel 1420 ISR0.001-0.7020-14.00 
  Alster, Omri 1597 ISR0.001-0.4620-9.20 
  Semo, Sagy 1362 ISR0.001-0.7720-15.40 
  Har-Even, Abir 1850 ISR0.001-0.1620-3.20 
  Bedyovkin, Nataniel Alexey 1170  * ISR0.501-0.4220-8.40 
 * 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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