Rapid: Individual Calculations July 2018
 Iaali, Abdelrahman  Total change: -11.40  Rating chartPersonal card
 Kafaat Chess Tournament Beirut LBN 2018-06-24
RcRownchangeKK*chgGame
 1669 1586 1.00 4 -0.57 20 -11.40 
  Saeed, Riad 1846 SYR0.001-0.1820-3.60 
  Slim, Nadim 1774 LBN0.001-0.2620-5.20 
  Berbari, Imad 1702 LBN0.001-0.3420-6.80 
  Mazbouh, Thaer 1355 LBN1.0010.21204.20 

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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