Individual Calculations April 2020
 Williams, Justus  Total change: -12.00  Rating chartPersonal card
 Classique hivernale de Montreal 2020 Invitational Montreal CAN 2020-03-02
RcRownchangeKK*chgGame
 2290 2340 4.50 9 -0.60 20 -12.00 
  Liang, Jason f2288 USA0.001-0.5720-11.40 
  Kaufman, Raymond m2281 CAN1.0010.42208.40 
  Duong, Thanh Nha m2183 CAN0.501-0.2120-4.20 
  Eckert, Doug f2139 USA1.0010.24204.80 
  Posthuma, Joshua f2355 USA1.0010.522010.40 
  Ragnarsson, Dagur f2400 ISL0.001-0.4220-8.40 
  Rodrigue-Lemieux, Shawn f2277 CAN0.501-0.0920-1.80 
  Talukdar, Rohan f2331 CAN0.001-0.5120-10.20 
  Vigorito, David m2357 USA0.5010.02200.40 

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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