Individual Calculations September 2019
 Karelina, Polina  Total change: -5.60  Rating chartPersonal card
 2019 NAYCC U18 Girls Kingston CAN 2019-08-16
RcRownchangeKK*chgGame
 1784 1689 2.50 7 -0.14 40 -5.60 
  Chin, Angelina wc1893 USA0.001-0.2440-9.60 
  Hunt, Fikirte 1802 USA0.001-0.3540-14.00 
  Qiao, Cindy wf1822 CAN1.0010.684027.20 
  Chatterjee, Trina 1757 USA0.001-0.4140-16.40 
  Ravishankar, Ramitha Sai 1480 USA0.501-0.2740-10.80 
  Chen, Minda wf1943 USA1.0010.814032.40 
  Lopez Sanchez, Anastacia Antonia wc1792 MEX0.001-0.3640-14.40 

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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