Individual Calculations September 2019
 Xu, Jeffrey  Total change: -20.40  Rating chartPersonal card
 2019 Canadian Junior CC Open Toronto CAN 2019-08-08
RcRownchangeKK*chgGame
 1998 2067 2.00 4 -0.36 40 -14.40 
  Xu, Daniel 1918 CAN1.0010.304012.00 
  Rusonik, Max 2025 CAN1.0010.444017.60 
  Rodrigue-Lemieux, Shawn f2200 CAN0.001-0.3240-12.80 
  Ning, Eric 1847 CAN0.001-0.7840-31.20 

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)
 
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
RcRownchangeKK*chgGame
 2093 2067 3.50 8 -0.15 40 -6.00 
  Zhang, Yuanchen f2305 CAN0.001-0.2040-8.00 
  De Costa, Alexander 1667  * CAN1.0010.08403.20 
  Shen, Christopher f2325 USA0.001-0.1840-7.20 
  Huang, Qiuyu f2020 CAN1.0010.434017.20 
  Eidelman, Gabriel 2133 USA1.0010.594023.60 
  Chasin, Nico f2178 USA0.001-0.3540-14.00 
  Leong, Ryan 1926 CAN0.501-0.1940-7.60 
  Ravuri, Vinesh 2192 USA0.001-0.3340-13.20 
 * 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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