Individual Calculations May 2019
 Demchenko, Svitlana  Total change: -23.60  Rating chartPersonal card
 2019 RA March Open Ottawa CAN 2019-03-01
RcRownchangeKK*chgGame
 2051 2135 3.50 5 0.59 40 23.60 
  Han, Johnathan 1735  * CAN1.0010.08403.20 
  Simic, Dusan 2110 SRB0.501-0.0340-1.20 
  Gordon, David c2185 CAN1.0010.574022.80 
  Sambuev, Bator g2489 CAN0.001-0.1140-4.40 
  Ning, Alwin 1735  * CAN1.0010.08403.20 
 * 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)
 
 2019 Canada Zonal Kingston CAN 2019-04-18
RcRownchangeKK*chgGame
 2167 2135 2.50 8 -1.18 40 -47.20 
  Hua, Eugene f2329 CAN0.001-0.2540-10.00 
  Zhou, Qiyu fwg2246 CAN0.001-0.3540-14.00 
  Vettese, Nicholas f2323 CAN0.001-0.2640-10.40 
  Huang, Qiuyu f2145 CAN0.001-0.4940-19.60 
  Wiebe, Isaac 2053 CAN0.501-0.1140-4.40 
  Zhong, Kevin c1987 CAN1.0010.304012.00 
  Chen, Max c2070 CAN0.501-0.0940-3.60 
  Gordon, David c2185 CAN0.5010.07402.80 

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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