Rapid: Individual Calculations January 2020
 Sewelem, Ahmad S  Total change: 26.60  Rating chartPersonal card
 Alzahraa Chess Rapid Cairo EGY 2019-11-29
RcRownchangeKK*chgGame
 1796 1870 5.50 7 1.33 20 26.60 
  Arafat, Akram 1971 EGY1.0010.642012.80 
  Adel Abdel Hafez, Ahmed 1635 EGY1.0010.21204.20 
  Shomer, Ahmed 1690 EGY0.001-0.7420-14.80 
  Saber, Mohamed 1770 EGY1.0010.36207.20 
  Badr, Mohamed 1819 EGY1.0010.43208.60 
  Abdelmoneim, Ahmed M 1868 EGY1.0010.502010.00 
  Girgis Andraus , Sami 1821 EGY0.501-0.0720-1.40 

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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