Individual Calculations December 2023
 Al Yahmedi, Abdul Rahman  Total change: -80.00  Rating chartPersonal card
 FIDE World Amateur Chess Championship Open U 1700 Muscat OMA 2023-11-02
RcRownchangeKK*chgGame
 1270 1238 1.00 6 -2.00 40 -80.00 
  Trinkl, Andreas 1669 GER0.5010.434017.20 
  Hussein, Siddig Mohamed 1644 SUD0.001-0.0840-3.20 
  Al Rahbi, Mohammed Sufyan 1119 OMA0.001-0.6640-26.40 
  Haidar , Bachar 1044 LBN0.001-0.7540-30.00 
  Al Harthi, Sulaiman 1065 OMA0.501-0.2340-9.20 
  Al Mayahi, Nizar 1081 OMA0.001-0.7140-28.40 

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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