Individual Calculations August 2022
 Tang, Lydia  Total change: -8.80  Rating chartPersonal card
 23rd annual Pittsburgh Open Under 2100 Pittsburgh, PA USA 2022-07-22
RcRownchangeKK*chgGame
 1745 1376 0.00 2 -0.22 40 -8.80 
  Prabu, Sneha 1665 USA0.001-0.1640-6.40 
  Demetruk, David E 1825 USA0.001-0.0640-2.40 

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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