Individual Calculations December 2019
 Zuo, Zichen Roger  Total change: 77.20  Rating chartPersonal card
 2019 Guelph Fall ProAm U1700 Guelph CAN 2019-11-02
RcRownchangeKK*chgGame
 1323 1043 2.50 3 1.93 40 77.20 
  Williams, David R. 1134 CAN1.0010.624024.80 
  Yao, Henry 1393 CAN0.5010.394015.60 
  De Costa, Benjamin 1443  * CAN1.0010.924036.80 
 * 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)
 

 

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