Individual Calculations September 2022
 Zhou, Chelsea  Total change: 52.00  Rating chartPersonal card
 2022 NAYCC U16 Girls Calgary CAN 2022-08-10
RcRownchangeKK*chgGame
 1562 1666 6.00 9 0.40 40 16.00 
  Gilani, Mysha wc1422 CAN0.001-0.8040-32.00 
  Changkachith, Alyssa 1266  * USA1.0010.08403.20 
  Zhou, Celina 1442 USA0.501-0.2840-11.20 
  Jiang, Kate 1604 CAN0.501-0.0940-3.60 
  Garcia Ortega, Natalia Belen 1699 MEX1.0010.554022.00 
  Wang, Rachel Zihan 1558 CAN1.0010.354014.00 
  Zhang, Ellie 1591 USA0.501-0.1040-4.00 
  Wang, Tianna 1696 USA0.5010.04401.60 
  Ke, Rianne wc1779 USA1.0010.654026.00 
 * 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)
 
 12th annual Central California Open Major Fresno CA USA 2022-08-19
RcRownchangeKK*chgGame
 1879 1666 2.00 4 0.90 40 36.00 
  Nathan, Nitish Sg c1813 USA0.001-0.3040-12.00 
  Bryan, Bret A 1619 USA1.0010.434017.20 
  Taylor, Timothy W m2150 USA1.0010.954038.00 
  Ruiz, Alejandro Eduardo 1932 USA0.001-0.1840-7.20 

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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