Rapid: Individual Calculations May 2017
 Ibrahim, Sameh  Total change: 25.60  Rating chartPersonal card
 1st. Edku Rapid Chess Tournament Edku EGY 2017-04-14
RcRownchangeKK*chgGame
 1937 1899 4.00 6 1.28 20 25.60 
  Abdel Aziz, Mohamed 1651 EGY1.0010.19203.80 
  Ashraf, Shereif f2145 EGY0.001-0.1920-3.80 
  Elghor, Mohamed A.hameed 1788 EGY1.0010.35207.00 
  Atea, Khaled 2140 EGY0.001-0.2020-4.00 
  Abdel Hamod, Zaki 1818 EGY1.0010.39207.80 
  Mahdy, Tawfeik 2082 EGY1.0010.742014.80 

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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