Individual Calculations February 2023
 Zhou, Chelsea  Total change: -80.40  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1841 1824 2.50 7 -0.73 40 -29.20 
  Bykovtsev, Agata wm1999 USA0.001-0.2740-10.80 
  Zhuge, Katherine 1440 USA1.0010.09403.60 
  Paez, David 2006 COL0.5010.24409.60 
  Groff, Jordan 1852 USA0.001-0.4640-18.40 
  Kudryavtsev, Vadim 2004 RUS0.001-0.2640-10.40 
  Sabyrov, Muradhan Emir 1622 USA1.0010.24409.60 
  Castro, Natalia Patricia wm1964 COL0.001-0.3140-12.40 

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)
 
 14th annual Golden State Open - Major Concord, CA USA 2023-01-13
RcRownchangeKK*chgGame
 1861 1786 1.50 6 -1.28 40 -51.20 
  Tarjan, James Edward g2360 USA0.001-0.0240-0.80 
  Xia, Joshua 1694 USA1.0010.374014.80 
  Finkelstein, Alan J 2152 USA0.001-0.1040-4.00 
  Gopalakrishnan, Kritin Rohan 1592 USA0.001-0.7540-30.00 
  Wu, Wentao 1662 USA0.001-0.6740-26.80 
  Karunakaran, Kapilan 1703 USA0.501-0.1140-4.40 

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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