Individual Calculations September 2022
 Xu, Andrew  Total change: 72.00  Rating chartPersonal card
 2022 BC Day Open Premier Richmond CAN 2022-07-30
RcRownchangeKK*chgGame
 1922 1763 4.00 6 2.17 40 86.80 
  Zhu, Brandon 2060 CAN1.0010.854034.00 
  Wu, Nathan Ping-Ying 1839 CAN0.5010.10404.00 
  Cheng, Louis 1894 CAN0.5010.18407.20 
  Yang, Brian 1826 CAN1.0010.594023.60 
  Mohammed Qanee, Arpak Worya c2088 IRQ1.0010.874034.80 
  Song, Ethan 1824 CAN0.001-0.4240-16.80 

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)
 
 2022 NAYCC U16 Open Calgary CAN 2022-08-10
RcRownchangeKK*chgGame
 1801 1681 2.00 7 -0.37 40 -14.80 
  Zhang, Roger 2018 USA0.001-0.1240-4.80 
  Bui, Alan 1922 CAN0.001-0.2040-8.00 
  Wang, Ryan R 1866 USA0.001-0.2640-10.40 
  Gaisinsky, Jacob 1281  * CAN1.0010.08403.20 
  Chen, Richard 1837 CAN0.001-0.2940-11.60 
  Bai, Jinghui 1843 CAN0.5010.21408.40 
  Hoekman, Samuel 1837 CAN0.5010.21408.40 
 * 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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