Individual Calculations April 2023
 Abrahams, Daniel  Total change: -19.20  Rating chartPersonal card
 2023 Aurora Spring Open - Master Newmarket CAN 2023-03-25
RcRownchangeKK*chgGame
 2128 2101 0.00 2 -0.96 20 -19.20 
  Bora, Safal m2461 USA0.001-0.1020-2.00 
  Qiao, Cindy wf1794 CAN0.001-0.8620-17.20 

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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