Individual Calculations December 2019
 Webster, Dex  Total change: -5.40  Rating chartPersonal card
 2019 Ivy League Challenge Toronto CAN 2019-11-08
RcRownchangeKK*chgGame
 2289 2077 1.00 5 -0.27 20 -5.40 
  Jacobson, Aaron f2301 USA0.001-0.2220-4.40 
  Plotkin, Mark f2378 CAN0.001-0.1520-3.00 
  Altschuler, Jason 2198 USA0.001-0.3420-6.80 
  Tang, Andrew g2477  * USA0.001-0.0820-1.60 
  Dai, Wenzhi 2093 CHN1.0010.522010.40 
 * 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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