Rapid: Individual Calculations January 2018
 Al Dafiri, Abdulaziz  Total change: 30.00  Rating chartPersonal card
 17th Kuwait Rapid chess championship kuwait KUW 2017-12-08
RcRownchangeKK*chgGame
 1857 1670 3.50 7 1.50 20 30.00 
  Ayyad, Maher f2070  * BRN0.001-0.0820-1.60 
  Williams, Luaidh James 1407 SCO1.0010.18203.60 
  Bukhalaf, Mansoor 1725 BRN1.0010.582011.60 
  Saad, Amer Mohamed 1949 EGY0.001-0.1620-3.20 
  Bugay, Ferdinand 2053 PHI1.0010.912018.20 
  Nasser, Aldakhlallah 1910 SYR0.5010.30206.00 
  Bukhalaf, Khalil 1882 BRN0.001-0.2320-4.60 
 * 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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