Individual Calculations November 2019
 Wu, Derek  Total change: 42.40  Rating chartPersonal card
 2019 US Class Championship - Master Burlingame, California USA 2019-09-27
RcRownchangeKK*chgGame
 2148 1991 2.00 3 1.06 40 42.40 
  Cheng, Daniel 1946 USA1.0010.444017.60 
  Li, Eric c2172 USA1.0010.744029.60 
  Daggupati, Balaji f2326 USA0.001-0.1240-4.80 

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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