Individual Calculations September 2015
 Li, Ben  Total change: -38.00  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
 2056 2188 5.00 9 -0.95 40 -38.00 
  Idnani, Roshan R 1822 USA1.0010.10404.00 
  Liang, Awonder f2408 USA0.001-0.2240-8.80 
  Song, Guannan Terry 1988 CAN0.001-0.7640-30.40 
  Zhao, Harry 1892 CAN1.0010.15406.00 
  Song, Ziyuan (sam) 2031 CAN0.501-0.2140-8.40 
  Li, Yinshi 2011 CAN0.501-0.2340-9.20 
  Cai, Jason 2046 CAN1.0010.314012.40 
  Chen, Richard c2082 CAN1.0010.364014.40 
  Balakrishnan, Praveen 2226 USA0.001-0.4540-18.00 

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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