Rapid: Individual Calculations April 2019
 Ray, Hiya  Total change: 41.60  Rating chartPersonal card
 2019 Frank Hatto Memorial Pencoed WLS 2019-03-23
RcRownchangeKK*chgGame
 1844 1479 2.50 4 2.08 20 41.60 
  Davis, Lee 1879  * WLS0.5010.42208.40 
  Bevan, Peter M 1879  * WLS1.0010.922018.40 
  Heaven, Pete 1879  * WLS0.001-0.0820-1.60 
  Hurn, Robert Aj 1738 WLS1.0010.822016.40 
 * 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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