Individual Calculations August 2018
 Chen, Derek  Total change: -6.00  Rating chartPersonal card
 2018 Canadian Youth Chess Championship U12 Open Quebec City CAN 2018-07-02
RcRownchangeKK*chgGame
 1446 1263 1.00 4 -0.15 40 -6.00 
  Ran, Xiaoyu (charles) 1432 CAN1.0010.724028.80 
  Huang, Youhe 1663  * CAN0.001-0.0840-3.20 
  Srinivas, Atharva 1249 CAN0.001-0.5240-20.80 
  Liu, Henry 1438 CAN0.001-0.2740-10.80 
 * 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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