Individual Calculations July 2023
 Chen, Mark  Total change: 8.80  Rating chartPersonal card
 2023 National Open - Under 2300 Las Vegas, NV USA 2023-06-15
RcRownchangeKK*chgGame
 1684 1592 3.00 7 0.22 40 8.80 
  Sethuraman, Roshan 1832 USA0.001-0.2040-8.00 
  Hao, Max 1906 USA0.5010.364014.40 
  Mahesh, Kanishk 1409 USA0.501-0.2440-9.60 
  Moussa, Alaa-Addin c1914 PLE0.001-0.1340-5.20 
  Khademzadeh, Aiden 1657 USA0.001-0.4140-16.40 
  Xiao, Marina 1477 USA1.0010.344013.60 
  Welch, Mason 1595 USA1.0010.504020.00 

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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