Individual Calculations January 2012
 Ismail, Youssef  Total change: 50.10  Rating chartPersonal card
 Zagaziq Open 2011 Zaqaziq EGY 2011-10-22
RcRownchangeKK*chgGame
 1898 2078 1.00 2 -0.47 15 -7.05 
  Wafa, Shrook wf1839 EGY1.0010.20153.00 
  Hamed, Hesham 1956 EGY0.001-0.6715-10.05 

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)
 
 Egyptian Championship 2011 Cairo EGY 2011-11-13
RcRownchangeKK*chgGame
 2258 2078 6.50 10 3.81 15 57.15 
  Amin, Ashraf 2277 EGY0.5010.26153.90 
  Abdel Samee, Mohamed 2231 EGY1.0010.701510.50 
  Eldesoky, Hatem 2265 EGY0.5010.24153.60 
  Ismail, Reda 2184 EGY1.0010.64159.60 
  Hesham, Abdelrahman f2296 EGY1.0010.781511.70 
  Yousry, Salah f2327 EGY0.5010.31154.65 
  Sadek, Sameh 2372 EGY0.001-0.1515-2.25 
  Zayan, Osama 2236 EGY1.0010.711510.65 
  Elsayed, Moustafa 2225 EGY0.001-0.3015-4.50 
  Lowis, Magdy 2164 EGY1.0010.62159.30 

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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