Individual Calculations September 2015
 Xu, Jeffrey  Total change: 100.40  Rating chartPersonal card
 2015 North American U20 Open Championships Kitchener CAN 2015-07-26
 2092 1847 4.50 9 2.51 40 100.40 
  Balakrishnan, Praveen 2226 USA0.001-0.0940-3.60 
  Virkud, Apurva wc2064 USA0.5010.284011.20 
  Surya, Benito 1706 CAN1.0010.314012.40 
  Vettese, Nicholas c2180 CAN1.0010.884035.20 
  Zhang, Yuanchen f2247  * CAN0.5010.424016.80 
  Cao, Jason f2247  * CAN0.001-0.0840-3.20 
  Chen, Richard c2082 CAN0.001-0.2140-8.40 
  Song, Ziyuan (sam) 2031 CAN0.5010.24409.60 
  Cai, Jason 2046 CAN1.0010.764030.40 
 * 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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