Rapid: Individual Calculations July 2018
 Kattan, Ghada  Total change: -3.20  Rating chartPersonal card
 Kafaat Chess Tournament Beirut LBN 2018-06-24
RcRownchangeKK*chgGame
 1587 1187 0.00 2 -0.16 20 -3.20 
  Saeed, Riad 1587  * SYR0.001-0.0820-1.60 
  Oknayan, Krikor 1587  * LBN0.001-0.0820-1.60 
 * 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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