Rapid: Individual Calculations August 2015
 Lotfy, Abdel Rahman  Total change: -7.60  Rating chartPersonal card
 5th Gharbia Rapid Mahalla EGY 2015-07-23
RcRownchangeKK*chgGame
 2043 2141 4.00 7 -0.38 20 -7.60 
  Sakr, Hesham 1873 EGY0.501-0.3320-6.60 
  Ehab, Mohamed 1993 EGY1.0010.30206.00 
  Masoud, Mohamed Helmy 1850 EGY1.0010.15203.00 
  Sadek, Sameh f2377 EGY0.001-0.2020-4.00 
  Moawad, Elsayed Abdel Hameid 2040 EGY1.0010.36207.20 
  Sultan, Mohamed 2139 YEM0.5010.00200.00 
  Taher, Rami 2026 LBA0.001-0.6620-13.20 

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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