Individual Calculations July 2024
 Chiu, Zion David  Total change: 64.40  Rating chartPersonal card
 58th Arthur Stamer Memorial Tournament - 1600-1999 San Francisco, CA USA 2024-06-22
RcRownchangeKK*chgGame
 1651 1621 3.00 3 1.61 40 64.40 
  Tam, Hoa Long 1636 USA1.0010.524020.80 
  Chiu, Silas Nathaniel 1516 HKG1.0010.364014.40 
  Mercado, Adam 1800 USA1.0010.734029.20 

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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