Individual Calculations September 2023
 Zhou, Yafei  Total change: -92.80  Rating chartPersonal card
 Chinese National Youth Chess Championship 2023(G14) Shenzhen,China CHN 2023-07-28
RcRownchangeKK*chgGame
 1587 1819 3.00 7 -2.32 40 -92.80 
  Song, Qinxin 1359 CHN0.501-0.4540-18.00 
  Liang, Hanzhe 1506 CHN1.0010.14405.60 
  Zhao, Chenyu 1750 CHN0.001-0.6040-24.00 
  Shao, Yanrui 1419  * CHN1.0010.08403.20 
  Feng, Eunice 1702 HKG0.001-0.6640-26.40 
  Zhang, Yingying 1584 CHN0.501-0.2940-11.60 
  Zhao, Yunqing 1792 CHN0.001-0.5440-21.60 
 * 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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