Individual Calculations September 2015
 Virkud, Apurva  Total change: -12.80  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
 2039 2064 4.50 9 -0.32 40 -12.80 
  Bora, Safal m2405 USA0.001-0.1240-4.80 
  Xu, Jeffrey c1847 CAN0.501-0.2840-11.20 
  Idnani, Taran c1963 USA0.501-0.1440-5.60 
  Nasir, Pi 1882 CAN0.501-0.2440-9.60 
  Liu, Zhanhe 1753 CAN1.0010.14405.60 
  Liang, Hairan 1814 CAN1.0010.19407.60 
  He, Daniel Ming 2174 USA1.0010.654026.00 
  Wu, Christopher 2317 USA0.001-0.1940-7.60 
  Zhu, Hong Rui c2192 CAN0.001-0.3340-13.20 

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)


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