Individual Calculations February 2023
 Chiang, Jacob  Total change: 22.40  Rating chartPersonal card
 14th annual Golden State Open - Major Concord, CA USA 2023-01-13
RcRownchangeKK*chgGame
 2117 2020 2.50 5 0.56 40 22.40 
  Seitzer, Phillip 1969 USA1.0010.434017.20 
  Yan, Ruiyang fwc2261 USA0.5010.304012.00 
  Wu, Oliver 1748 TPE1.0010.17406.80 
  Chambers, Ezra f2245 BDI0.001-0.2240-8.80 
  Li, Eric Yuhan f2362 USA0.001-0.1240-4.80 

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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