Individual Calculations April 2008
 Sayed, Hany  Total change: -18.25  Rating chartPersonal card
 Aswan Chess Championship Aswan EGY 2008-02-09
RcRownchangeKK*chgGame
 2207 2061 0.50 4 -0.73 25 -18.25 
  Hamed, Ahmed m2274 EGY0.5010.27256.75 
  Zayan, Osama 2213 EGY0.001-0.3025-7.50 
  Abdel Fatah, Mohamed 2167 EGY0.001-0.3625-9.00 
  Abdel Aziz, Ehab 2175 EGY0.001-0.3425-8.50 

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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