Individual Calculations October 2013
 Davis, Katherine Shaw  Total change: -18.00  Rating chartPersonal card
 2013 NAYCC U12G Toronto CAN 2013-08-14
RcRownchangeKK*chgGame
 1514 1668 1.50 3 -0.60 30 -18.00 
  Nguyen, Duy Thien An wc1537 CAN0.501-0.1830-5.40 
  Kao, Camille 1426 USA0.001-0.8030-24.00 
  Trakru, Priya 1579 USA1.0010.383011.40 

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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