Individual Calculations August 2022
 Heidari, Ako  Total change: -23.20  Rating chartPersonal card
 2nd Peter Grey Memorial Tuesday Night Marathon - 1800+ Round 1-3 San Francisco, California USA 2022-07-12
RcRownchangeKK*chgGame
 1510 1782 0.50 2 -1.16 20 -23.20 
  Sun, Kevin 1514 USA0.001-0.8320-16.60 
  Suarez, Sebastian 1506 USA0.501-0.3320-6.60 

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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