Individual Calculations September 2015
 Lin, Tony (juntao)  Total change: -27.20  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
 2132 2098 2.50 7 -0.68 40 -27.20 
  Zhang, Yuanchen f2295 CAN0.001-0.2540-10.00 
  Shen, Arthur f2339 USA0.5010.304012.00 
  Wu, Christopher 2317 USA0.001-0.2240-8.80 
  Zhong, Joey 1897 CAN0.001-0.7640-30.40 
  Idnani, Roshan R 1822 USA1.0010.17406.80 
  He, Samuel Fei 2083 USA1.0010.484019.20 
  He, Daniel Ming 2174 USA0.001-0.4040-16.00 

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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