Individual Calculations March 2023
 Zhou, David  Total change: 8.00  Rating chartPersonal card
 2023 Washington State Championship - Premier Redmond, WA USA 2023-02-11
RcRownchangeKK*chgGame
 1866 1963 6.00 9 0.40 20 8.00 
  Rozenfeld, Yevgeniy 1917 USA0.001-0.5620-11.20 
  Frantz, Joseph 1908 USA0.001-0.5820-11.60 
  Liu, Austin 1869 USA1.0010.37207.40 
  Kona, Vidip 1712 USA1.0010.19203.80 
  Lu, Yiding 1854 USA1.0010.35207.00 
  Willy, Stephen 2017 USA1.0010.582011.60 
  Wang, Ted 1868 USA0.001-0.6320-12.60 
  Pisan, Kai 1652 USA1.0010.14202.80 
  Bian, Erin wf1994 USA1.0010.542010.80 

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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