Individual Calculations September 2019
 Ravuri, Vinesh  Total change: -35.60  Rating chartPersonal card
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
 2150 2192 3.00 7 -0.89 40 -35.60 
  Zhang, Yuanchen f2305 CAN0.5010.15406.00 
  Wu, Rochelle wm2161 USA0.001-0.5440-21.60 
  Zhang, Henry 2151 CAN0.001-0.5640-22.40 
  Huang, Qiuyu f2020 CAN1.0010.274010.80 
  Samadashvili, Martha wf2086 USA0.501-0.1440-5.60 
  Xu, Jeffrey c2067 CAN1.0010.334013.20 
  Huang, Andy f2263 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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