Individual Calculations February 2023
 Zhou, Ruoyu  Total change: 25.20  Rating chartPersonal card
 32nd annual North American Open Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 2066 1849 4.00 9 1.42 40 56.80 
  Dukic, Zachary f2270 CAN0.5010.434017.20 
  Plotkin, Victor f2249  * CAN0.5010.424016.80 
  Wan, Joseph Cheng-Yue 2153 USA0.001-0.1440-5.60 
  Budisavljevic, Luka g2505 SRB0.001-0.0140-0.40 
  Welch, Mason Jeffery 1592 USA1.0010.18407.20 
  Wang, Alex Yuxuan 2083 USA0.5010.294011.60 
  Sathish, Pranav 2049 USA0.5010.264010.40 
  Bruha, Nicholas 1984 USA0.001-0.3240-12.80 
  Jin, Jerry 1709 USA1.0010.314012.40 
 * 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)
 
 14th annual Golden State Open - Major Concord, CA USA 2023-01-13
RcRownchangeKK*chgGame
 1811 1849 2.50 6 -0.79 40 -31.60 
  Yang, Vincent 1724 USA0.501-0.1740-6.80 
  Gopalakrishnan, Kritin Rohan 1592 USA1.0010.18407.20 
  Pullela, Sricharan 2010 USA0.001-0.2940-11.60 
  Radermacher, Timothy 1981 USA0.5010.18407.20 
  Xia, Joshua 1694 USA0.501-0.2140-8.40 
  Sripada, Havish 1865 USA0.001-0.4840-19.20 

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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