Individual Calculations January 2020
 Wahba, David George  Total change: 92.40  Rating chartPersonal card
 Golden Cleopatra 2019 Cairo EGY 2019-12-02
RcRownchangeKK*chgGame
 1805 1586 4.00 8 2.07 40 82.80 
  Tamer, Mohamed f1914 EGY0.001-0.1340-5.20 
  Ibrahim, Begad 1861 EGY0.5010.334013.20 
  Elgendy, Yousef 1856 EGY0.001-0.1740-6.80 
  Hafez, Mahmoud 1951 EGY1.0010.904036.00 
  El Eryan, Emad 1828 EGY1.0010.804032.00 
  Nagdy, Wael 1950 EGY0.001-0.1040-4.00 
  Aboud, Essam 1897 EGY0.5010.364014.40 
  Kandil, Jomana 1186  * EGY1.0010.08403.20 
 * 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)
 
 2019 African Youth Chess Championship - Under 8 Open Windhoek NAM 2019-12-16
RcRownchangeKK*chgGame
 1386 1586 1.00 1 0.24 40 9.60 
  Hossam Mohamed, Adham 1386 EGY1.0010.24409.60 

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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