Individual Calculations September 2022
 D`souza, Carina  Total change: 15.20  Rating chartPersonal card
 2022 NAYCC U18 Girls Calgary CAN 2022-08-10
RcRownchangeKK*chgGame
 1676 1565 3.50 8 0.38 40 15.20 
  Wisniowski, Natalie wc1867 USA0.001-0.1540-6.00 
  Ham Corona, Ana Paola 1317 MEX0.501-0.3140-12.40 
  Wang, Isabelle 1547 CAN1.0010.474018.80 
  Pang, Ashley wc2009 USA1.0010.944037.60 
  Lee, Yesun wc1839 USA0.5010.334013.20 
  Matus, Nastassja wf1976 USA0.001-0.0840-3.20 
  Caballero Alonzo, Alexa 1578 MEX0.001-0.4840-19.20 
  Szeto, Sophie 1277 USA0.501-0.3440-13.60 

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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