Rapid: Individual Calculations August 2018
 Osman, Islam  Total change: 14.80  Rating chartPersonal card
 Mohamad Saad Rapid Alexandria EGY 2018-07-23
RcRownchangeKK*chgGame
 1804 1818 5.00 8 0.74 20 14.80 
  Elgabry, Mohsen m2218  * EGY0.001-0.0820-1.60 
  Suliman, Idriss 1597 SUD1.0010.22204.40 
  Abbasy, Shahata Mohamed 1526 EGY0.001-0.8520-17.00 
  Elnahas, Mohamed 1621 EGY1.0010.25205.00 
  Ayman, Amr 1607 EGY1.0010.23204.60 
  Eldengawy, Ahmed 2136 EGY0.001-0.1320-2.60 
  Zekri Fahmy, Ahmed 1683 EGY1.0010.32206.40 
  Abdel Wahed, Tarek 2041 EGY1.0010.782015.60 
 * 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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