Individual Calculations April 2023
 He, Justin Shandong Shan  Total change: 7.20  Rating chartPersonal card
 30th annual Western Class Championships - Class A Irvine, CA USA 2023-03-03
RcRownchangeKK*chgGame
 1657 1580 0.50 2 -0.31 40 -12.40 
  Gattani, Sarthak 1790 USA0.001-0.2340-9.20 
  Xiao, Yixuan 1523 USA0.501-0.0840-3.20 

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)
 
 2023 Lone Star Open - Open Section Houston, TX USA 2023-03-17
RcRownchangeKK*chgGame
 1860 1580 1.00 3 0.49 40 19.60 
  Castillo Lopez, Oslay 1934 PUR1.0010.894035.60 
  Wang, Kyle Yiwen 1809 USA0.001-0.2140-8.40 
  Moya, Giedre 1836 LTU0.001-0.1940-7.60 

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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