Individual Calculations April 2023
 Zhou, Greg  Total change: -42.00  Rating chartPersonal card
 20th Wilkerson Memorial Championship - 2000 and over San Francisco, CA USA 2023-03-25
RcRownchangeKK*chgGame
 1658 1546 0.00 3 -1.05 40 -42.00 
  Su, Alexander Charles 1577 USA0.001-0.4640-18.40 
  Videna, Daniel Tuapen 1670 USA0.001-0.3340-13.20 
  Sun, Kevin 1728 USA0.001-0.2640-10.40 

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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