Rapid: Individual Calculations February 2015
 Talaat, Moustafa Mohamed  Total change: 6.80  Rating chartPersonal card
 4th Gharbia Rapid 2015 Mahalla EGY 2015-01-03
RcRownchangeKK*chgGame
 2039 1937 1.50 3 0.34 20 6.80 
  El Amary, Kamal f2281 EGY0.001-0.1220-2.40 
  Rokaya, Ahmed 1742 EGY1.0010.25205.00 
  Hamdy, Mohamed 2094 EGY0.5010.21204.20 

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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