Individual Calculations January 2023
 Guo, Yanfeng  Total change: 11.60  Rating chartPersonal card
 57th American Open - Under 2200 Orange, CA USA 2022-11-24
RcRownchangeKK*chgGame
 1679 1704 3.50 6 0.29 40 11.60 
  Beltran, Omar 1558 USA0.001-0.7040-28.00 
  Sawhney, Yuvraj Singh 1520 USA0.501-0.2440-9.60 
  Sun, Kevin 1635 USA0.501-0.1040-4.00 
  Zhou, Chelsea wc1824 USA1.0010.664026.40 
  Cole, Christopher 1680 USA1.0010.474018.80 
  Zeng, Elbert 1855 USA0.5010.20408.00 

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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