Individual Calculations June 2023
 Zhou, Ivan  Total change: 12.80  Rating chartPersonal card
 1000GM Bay Area April 2023 BonaFIDE Swiss Open Sunnyvale, CA USA 2023-04-22
RcRownchangeKK*chgGame
 1742 1615 2.00 5 0.32 40 12.80 
  Talwalkar, Vedant 1746 USA0.5010.18407.20 
  Chen, Quincy 1706 USA1.0010.624024.80 
  Yao, Hanchi 1743 USA0.001-0.3340-13.20 
  Karthi, Jashith 1876 USA0.001-0.1840-7.20 
  Patil, Yashas 1640 USA0.5010.03401.20 

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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