Individual Calculations April 2023
 Wu, Rochelle  Total change: 21.80  Rating chartPersonal card
 30th annual Western Class Championships - Master Irvine, CA USA 2023-03-03
RcRownchangeKK*chgGame
 2160 2284 3.00 3 1.09 20 21.80 
  Ward, Noah 2133 USA1.0010.30206.00 
  Akopian, Robert 1924 USA1.0010.10202.00 
  Bryant, John Daniel m2422 USA1.0010.692013.80 

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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