Individual Calculations June 2024
 Chertkow, Matthew  Total change: -3.60  Rating chartPersonal card
 2024 Ontario Open U1800 Toronto CAN 2024-05-18
RcRownchangeKK*chgGame
 1589 1698 2.50 4 -0.09 40 -3.60 
  Wang, Angela 1567 CAN1.0010.324012.80 
  Li, Aiden 1593 CAN0.001-0.6440-25.60 
  Koop, Alison Emily 1671 CAN0.501-0.0440-1.60 
  Guan, Isabelle 1525 CAN1.0010.274010.80 

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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