Individual Calculations September 2015
 Cai, Jason  Total change: -50.40  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
 2027 2046 3.00 8 -1.26 40 -50.40 
  Liang, Awonder f2408 USA0.001-0.1040-4.00 
  Idnani, Roshan R 1822 USA1.0010.22408.80 
  Li, Yinshi 2011 CAN0.001-0.5540-22.00 
  Hua, Eugene c1876 CAN1.0010.284011.20 
  Ghatti, Sanjay 2182 USA0.5010.18407.20 
  Li, Ben 2188 USA0.001-0.3140-12.40 
  Nasir, Pi 1882 CAN0.501-0.2240-8.80 
  Xu, Jeffrey c1847 CAN0.001-0.7640-30.40 

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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