Individual Calculations January 2011
 Abdel Razik, Ahmed  Total change: -26.40  Rating chartPersonal card
 Egyptian Individual Open 2010 Cairo EGY 2010-11-22
RcRownchangeKK*chgGame
 2041 2130 2.50 7 -1.76 15 -26.40 
  Mokhtar, Ahmed 2282 EGY0.001-0.3015-4.50 
  Mahmoud, Maha 1792 EGY1.0010.12151.80 
  Hassan, Sayed Barakat m2370 EGY0.001-0.2015-3.00 
  Sabry, Mohamed 1916 EGY1.0010.23153.45 
  Sharaf Eldin, Tamer 1962 EGY0.501-0.2215-3.30 
  Nader, Mohamed 2036 EGY0.001-0.6315-9.45 
  Elansary, Ayman 1932 EGY0.001-0.7615-11.40 

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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