Individual Calculations April 2009
 Abdel Rahman, Alla  Total change: 15.00  Rating chartPersonal card
 1st Elsead Club Cairo EGY 2009-02-15
RcRownchangeKK*chgGame
 2172 2174 5.50 9 1.00 15 15.00 
  Ezat, Mohamed m2421 EGY0.001-0.1915-2.85 
  Hesham, Abdelrahman c2085 EGY0.001-0.6215-9.30 
  Ehab, Mohamed 1886 EGY1.0010.16152.40 
  Abdel Hafeiz, Ayman 1975 EGY1.0010.24153.60 
  Ragheb, Malak 2269 EGY1.0010.63159.45 
  Sobh, Amrou 2180 EGY1.0010.51157.65 
  Amin, Ashraf 2315 EGY0.5010.19152.85 
  Abou El Zein, Eid Mahmoud m2334 EGY0.001-0.2915-4.35 
  Ameir, Moheb 2081 EGY1.0010.37155.55 

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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