Individual Calculations July 2023
 Chamberlain, Ethan J  Total change: -105.20  Rating chartPersonal card
 2023 National Open - Under 2300 Las Vegas, NV USA 2023-06-15
RcRownchangeKK*chgGame
 1757 2012 3.00 7 -2.63 40 -105.20 
  Hong, Pearson 1880 USA0.001-0.6840-27.20 
  Wang, Leo Q 1612  * USA1.0010.08403.20 
  Xia, Joshua 1849 USA0.001-0.7240-28.80 
  Chrysanthou, Nicholas C 1707 USA1.0010.14405.60 
  Wasserman, Eddie 1749 USA0.001-0.8240-32.80 
  Videna, Daniel 1698 USA0.001-0.8640-34.40 
  Nathan, Jacob A 1801 USA1.0010.23409.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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