Individual Calculations September 2019
 Huang, Qiuyu  Total change: -34.80  Rating chartPersonal card
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
 2025 2020 3.00 8 -0.87 40 -34.80 
  Chen, Richard f2291 CAN0.001-0.1740-6.80 
  Zhou, Joey Junhe 1620  * CAN1.0010.08403.20 
  Li, William 2139 CAN0.5010.16406.40 
  Xu, Jeffrey c2067 CAN0.001-0.4340-17.20 
  Zhao, Harry 1950 CAN1.0010.404016.00 
  Ravuri, Vinesh 2192 USA0.001-0.2740-10.80 
  Merrigan, Daley 1917 CAN0.001-0.6440-25.60 
  Rama, Tejas 2022 USA0.5010.00400.00 
 * 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)


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