Individual Calculations September 2015
 Lotfy, Abdel Rahman  Total change: 29.60  Rating chartPersonal card
 16th. Mahalla Open Mahalla EGY 2015-07-24
RcRownchangeKK*chgGame
 2058 2146 4.50 7 0.35 20 7.00 
  Beder, Osama 1835 EGY1.0010.14202.80 
  Morsy, Nader 1746  * EGY1.0010.08201.60 
  Amin, Ashraf f2222 EGY0.5010.10202.00 
  Gabr, Mohsen 2212 EGY0.5010.09201.80 
  Fadi, Marko 2229 EGY0.001-0.3920-7.80 
  Alnami, Salaheddin 1972 LBA1.0010.27205.40 
  Sayed Hassan, Mohamed 2191 EGY0.5010.06201.20 
 * 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)
 
 Zagazig Open 2015 Zagazig EGY 2015-08-03
RcRownchangeKK*chgGame
 2113 2146 6.50 10 1.13 20 22.60 
  Hany, Mark 1820 EGY1.0010.13202.60 
  Nagdy, Wael 1968 EGY1.0010.27205.40 
  Hesham, Abdelrahman m2385 EGY0.001-0.2020-4.00 
  Ismail, Hany 1959 EGY1.0010.26205.20 
  Aly, Talal 2012 EGY1.0010.32206.40 
  Tork, Mohamed 2100 EGY1.0010.44208.80 
  Nader, Mohamed m2102 EGY1.0010.44208.80 
  Ibrahim, Hatim m2305 EGY0.001-0.2920-5.80 
  Eldesoky, Hatem f2249 EGY0.001-0.3620-7.20 
  Rahman, Yehya m2230 EGY0.5010.12202.40 

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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