Individual Calculations April 2023
 Cacho, Belly  Total change: -20.40  Rating chartPersonal card
 2023 Calgary CC Grand Prix Leg 2 Open Calgary CAN 2023-02-14
RcRownchangeKK*chgGame
 1430 1730 1.00 2 -0.68 20 -13.60 
  Wang, April 1330  * CAN1.0010.08201.60 
  Sazon, Omar 1529 CAN0.001-0.7620-15.20 
 * 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)
 
 2023 Alberta Reserves Calgary CAN 2023-03-17
RcRownchangeKK*chgGame
 1843 1725 0.00 1 -0.34 20 -6.80 
  Bulga, Tamir 1843 CAN0.001-0.3420-6.80 

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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